GB2299655A - Personal temperature control device - Google Patents
Personal temperature control device Download PDFInfo
- Publication number
- GB2299655A GB2299655A GB9506967A GB9506967A GB2299655A GB 2299655 A GB2299655 A GB 2299655A GB 9506967 A GB9506967 A GB 9506967A GB 9506967 A GB9506967 A GB 9506967A GB 2299655 A GB2299655 A GB 2299655A
- Authority
- GB
- United Kingdom
- Prior art keywords
- user
- heat exchanger
- pump
- temperature
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B1/00—Hats; Caps; Hoods
- A42B1/008—Hats; Caps; Hoods with means for heating or cooling
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
- A42C5/00—Fittings or trimmings for hats, e.g. hat-bands
- A42C5/04—Ventilating arrangements for head coverings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/10—Cooling bags, e.g. ice-bags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0001—Body part
- A61F2007/0002—Head or parts thereof
- A61F2007/0008—Scalp
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
- A61F2007/0056—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water for cooling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/10—Cooling bags, e.g. ice-bags
- A61F2007/108—Cold packs, i.e. devices to be cooled or frozen in refrigerator or freezing compartment
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
A personal temperature control device (1) comprises a heat exchanger in the form of an item of headgear (2) for performing heat exchange with a user's head (3) and a temperature modulation source in the form of liquid circulation loop thermally coupling an ice pack (4) and the headgear item. The device is arranged solely for heat exchange with the user's head and/or an area adjacent the user's central nervous system. The headgear may alternatively be connected directly with tap water.
Description
PERSONAL TEMPERATURE CONTROL DEVICE
AND A METHOD OF USING THE SAME
The present invention relates to a personal temperature control device and a method of using the same.
In this regard it is known that subjecting the human body to unusual ambient temperature variations can at least be uncomfortable and at worst highly dangerous. For example, it only requires a relatively small temperature rise for the incidence of headaches and migraines to increase, for people to feel uncomfortable and lethargic and for stress levels to rise. In the workplace, such effects can be highly damaging to the efficiency and accuracy of work being carried out and can, for example, detrimentally affect a person's judgment.
When ambient temperatures go to more extreme values, the physical well being of those experiencing such temperatures can be put at serious risk.
Devices are known for providing personal temperature control, such devices being principally directed to use in extreme and therefore dangerous hot or cold ambient conditions.
One such device is disclosed in EP-A-0 099 885 where a first heat exchanger in the form of a body and head garment is connected to a second heat exchanger, which includes a temperature source. Liquid is circulated between the two heat exchangers to effect a suitable heat exchange between the liquid, the temperature source, and the user of the device.
This prior art device is used to effect a cooling of both the body and head of its user, and thus requires a substantial quantity of liquid, both within the body and head garments and in a reservoir forming part of the second heat exchanger. The quantity of liquid required adds a significant weight to the device. Furthermore, a large quantity of temperature source, namely ice, is necessary for the device to be able to work for any significant time. In view of these requirements, whilst the device of EP-A-0 099 885 is disclosed as being portable, in practice this has not been found to be the case as a result of the size and particularly weight constraints it has.
This is even more apparent where a user of the device is disabled and, for example, has a disability impairing easy mobility. In such a case, the size and weight of this known device renders it useful only on a non-portable basis. Thus in circumstances where a truly portable device is required which can provide a significant duration of effective cooling or warming, the apparatus of EP-A-0 099 885 has been found not to be suitable.
The applicant of the present invention has considered the above identified problems in the particular context of how cooling certain parts of the body can impart cooling on a particularly effective basis, particularly to relieve the symptoms of certain illnesses. In this respect, the applicant has identified that localised cooling of the head has significant effects in effecting disproportionate cooling and thus alleviating the symptoms of illnesses associated with the central nervous system (CNS), for example Multiple Sclerosis (MS). Indeed the applicant has found that in MS and other degenerative diseases of the CNS, reducing the temperature of the head can in certain cases allow virtually normal use of all limbs, where without such a temperature reduction, such use is drastically impaired.Whilst use of a device according to EP-A-0 099 885 could theoretically significantly improve the quality of life of sufferers of, for example, MS, the lack of portability of this known device restricts its beneficial effects.
It is thus an object of the present invention to provide a truly portable personal temperature control device.
It is a further object of the present invention to provide a personal temperature control device for use in alleviating illnesses associated with the central nervous system.
According to a first aspect of the present invention, there is provided a personal temperature control device comprising a first liquid based heat exchanger for performing a heat exchange with a user and a temperature modulation source thermally coupled thereto; characterized in that the device is arranged solely for heat exchange with the user's head and/or an area adjacent the user's central nervous system.
In this way, the size and weight of the device components can be kept relatively small so that the device is truly portable.
In preferred embodiments, the temperature modulation source is provided as part of a second heat exchanger which is thermally coupled to the first heat exchanger.
Conveniently, the user's head comprises specifically the cranial area.
In preferred embodiments the first and second heat exchangers are connected in a liquid coolant circulation loop.
Conveniently the flow of liquid coolant around the loop is variably adjustable.
Preferably a pump is provided to urge the liquid coolant around the loop.
In preferred embodiments, operation of the pump can be automatically controlled so as to be intermittent. In this manner, the available working time of the device can be lengthened.
Conveniently, the pump is powered by a rechargeable battery.
Preferably, the temperature source is a freezer pack.
Alternatively, the temperature source is mains water at ambient temperature.
In preferred embodiments, the first and second heat exchangers are adapted to be supported by an item or items of clothing when in situ on the user. Conveniently, the second heat exchanger is adapted to be supported on a waistcoat arrangement. In this way, the second heat exchanger can be supported vertically, whether the user is standing or seated.
Preferably the device as described above is for use in alleviating the symptoms of diseases of the central nervous system.
Certain preferred embodiments of the invention will now be described by way of example and with reference to the accompanying drawings, wherein;
Figure 1 shows in perspective a view of a device according to an embodiment of the invention in operation;
Figure 2 shows components of the device of Figure 1; and
Figure 3 shows in perspective an adapter arrangement for use in connection with the device of Figure 1.
As shown in Figure 1, the personal temperature control device for a user (1) comprises a first heat exchanger in the form of headgear (2) covering at least a portion of the user's head (3), the first heat exchanger being coupled to a second heat exchanger (4) in the form of an insulated pack. The pack includes a reservoir through which liquid that has circulated around the headgear is passed, and a space for receiving a suitable temperature source (discussed later). The liquid is preferably water although any suitable alternative may be used. Pump apparatus (5) receives liquid which has circulated through the reservoir and urges it through the insulated tubing (6) around the headgear and back to the pack (4). The apparatus thus provides a simple and reliable means for influencing the temperature of the head of a user.In the particular embodiment shown, it is desired that the head is cooled although warming of the head may be equally be provided for by providing a temperature source which is exothermic such as, for example, by controlled chemical reactions.
Because the device is directed to controlling a localised area, i.e particularly the cranial region of the head, only a relatively small amount of coolant liquid is required.
Further, since less liquid is in circulation in the device, the second heat exchanger requires a relatively small temperature source to provide the necessary heat transfer.
Thus, the components of the device relating to the second heat exchanger and pump can be readily supported on for example, a waistcoat or harness arrangement worn by the user. The waistcoat arrangement can support the second heat exchanger components vertically in such a manner that they do not get in the way and cause discomfort even when the user is seated or bends over.
The second heat exchanger components and pump apparatus may alternatively be supported in a suitably designed belt arrangement. The weight of the device, including the cooling liquid is such that the device is readily portable.
Furthermore the relatively small size of the device means that it is discrete in appearance. The headgear (2) may be readily housed within a hat, for example, a baseball cap. The user of the device does not thus feel conspicuous.
Now referring to Figure 2, the separate components of the device will be described in more detail.
As shown in Figure 2, the second heat exchanger includes a well insulated pack (4), which itself includes a sealed reservoir (14) having an input (11) and an output (12). The input receives liquid which has been circulated through the headgear (2) whereas the output supplies cooled liquid to the pump (5) in a the circulation loop to the headgear.
The pack (4) includes a space to receive the temperature source in the form of a freezer pack (7). The reservoir and freezer pack are arranged as to have a relative large contact surface area to ensure good heat exchange between the two.
Thus, as the liquid flows into the reservoir from input (11) through to output (12) it is subjected to cooling by way of the reservoir's contact with the freezer pack (7). Whilst any suitable temperature source may be used, freezer packs are preferred because of their high latent heat of melting which enables them to provide a sustained cooling effect.
The pump and control apparatus of the device is shown generally at (5) and includes a pump (13) which receives liquid from the insulation pack output (12), a battery (8) which provides a required power energy to drive the pump, a control circuit (not shown), operating controls (15), external power inputs (10) and a liquid output (16). Thus liquid cooled in the second heat exchanger is pumped via pump (13) through the circulation loop which includes the headgear (2).
Whilst any suitable source of power may be used to drive the pump, a rechargeable battery (8) is generally most convenient.
However, where appropriate, the pump may be powered by way of solar powered energy or indeed the rechargeable battery may be recharged by way of solar energy. The external power inputs (10) may also be used to either charge up the battery from, for example mains power or a car battery, or to power the pump directly.
A control circuit is used to control operation of the pump.
By way of control switches (15) the pump may be operated so as to automatically function intermittently. In this way the operational life of the device between charging of the battery can be extended without lessening the effectiveness of the cooling device. It has been found that a pump rated at 500 mA to 2A, working at around 10 seconds on and 10 seconds off provides an effective cooling arrangement. Controls (15) can be used to vary the on and off periods of the pump as well as the pump output. For example, as the freezer pack inevitably warms up, the pump can be controlled so as to come on for longer periods and stay off for shorter periods.
The headgear (2) is arranged to provide effective heat transfer between the head (3) of a user and the circulation liquid. In this regard, the headgear may comprise a winding of the tube in a suitable configuration at the contact area with the user's head. Alternatively the headgear may include two overlying sheets of suitable material which are sealed together to define an appropriate circulation path or paths.
A similar heat transfer surface may be provided in the pack (4) at the contacting surface with the reservoir (14).
Those sections of insulating tube between the heat exchangers not being used to act as heat exchangers are provided with insulation to prevent unwanted heat transfer.
In this connection, the tubing running up from the pump to the headgear (2) may be arranged so as to provide a degree of heat transfer to the spinal area of the user. In this connection, it has been found that reducing the temperature of the brain where the majority of neural signals are processed and directed, assists in the direct transmission of such signals and reduces the occurrence of "misfiring" of neural synapses.
For individuals who suffer from illnesses associated with the central nervous system, it is considered that the lack of control of muscles often associated with such illnesses is as a result of misfiring of certain neural signals. Thus as cooling of the area where such signals are transmitted is beneficial to alleviate the mis-transmission of such signals, the applicant of the present invention has identified that providing a cooling means in a specific area where the majority of such signals are processed or transmitted, i.e.
the brain and upper spinal area, provides a substantial alleviation of the symptoms of such illnesses. By understanding that localised cooling has such beneficial advantages and by restricting the device to provide any such cooling in the area of the head, the device can be made such that it is in practice readily portable.
In a preferred arrangement thus the cooling tubing (6) running to the headgear (2) from the pump (13) may be arranged so as to align with the spinal column of the user, the spinal column being another major area of nervous system activity.
In a further preferred embodiment as shown in Figure 3, there is provided an adaptor (17) which allows the end of the insulated tubing normally connected to the pump outlet to be connected to a standard tap (18). In this way, the mains water supply can be used to supply the cooling liquid to, for example, the head gear (2). The end of the tubing normally connected to the second heat exchanger input (11) may in this regard may be linked to a drain or a water storage facility (19). In this arrangement, cooling is provided by the natural temperature of mains water and is circulated via the natural pressure of the main supply. The ends of the tube may be provided with double, snap-in non-return valves as may be the adaptor. This allows for extensions to the tube to be added by simply snapping in the further sections of double-tube.
The adaptor may have a regulator to control the pressure of the liquid coolant through the system.
In a further embodiment, the pump may include a clockwork mechanism, whereby a power source in the form of a battery is not required. The mechanism may be self winding or may be manually wound, for example by a user. In this way the duration that the personal temperature control device can be used is not limited by the effective working lifespan of the power source.
In the above preferred embodiments, the purpose of cooling has many effects amongst which are (a) to relieve the symptoms of illnesses associated with the central nervous system such as
Multiple Sclerosis; (b) to relieve head aches and migraine; (c) to improve efficiency in working conditions; (d) to relieve the symptoms of myalgic encephalitis; (e) to relieve stress; and (f) to provide a sense of well being in highambient temperatures.
Claims (14)
1. A personal temperature control device comprising a first liquid based heat exchanger for performing a heat exchange with a user and a temperature modulation source thermally coupled thereto; characterized in that the device is arranged solely for heat exchange with the user's head and/or an area adjacent the user's central nervous system.
2. A device according to claim 1 wherein the temperature modulation source is provided as part of a second heat exchanger which is thermally coupled to the first heat exchanger.
3. A device according to claim 1 or 2 wherein the head comprises specifically the cranial area.
4. A device according to claim 2 or 3 wherein the first and second heat exchangers are connected in a liquid coolant circulation loop.
5. A device according to claim 4 wherein the flow of liquid coolant around the loop is variably adjustable.
6. A device according to claim 4 or 5 wherein a pump is provided to urge the liquid coolant around the loop.
7. A device according to claim 6 wherein operation of the pump can be automatically controlled by a control means so as to be intermittent.
8. A device according to claim 6 or 7 wherein the pump is powered by a rechargeable battery.
9. A device according to any preceding claim wherein the temperature source is a freezer pack.
10. A device according to any of claims 1 to 8 wherein the temperature source is mains water at ambient temperature.
11. A device according to any of claims 2 to 10 wherein the first and second heat exchangers are adapted to be supported by an item or items of clothing when in situ on the user.
12. A device according to claim 11 wherein the second heat exchanger is adapted to be supported on a waistcoat arrangement.
13. A device according to any preceding claim for use in alleviating the symptoms of diseases of the central nervous system.
14. A device substantially as hereinbefore described with reference to the accompanying drawings.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9506967A GB2299655A (en) | 1995-04-04 | 1995-04-04 | Personal temperature control device |
AU52807/96A AU5280796A (en) | 1995-04-04 | 1996-04-03 | Personal temperature control device and a method of using th e same |
PCT/GB1996/000824 WO1996031136A1 (en) | 1995-04-04 | 1996-04-03 | Personal temperature control device and a method of using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9506967A GB2299655A (en) | 1995-04-04 | 1995-04-04 | Personal temperature control device |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9506967D0 GB9506967D0 (en) | 1995-05-24 |
GB2299655A true GB2299655A (en) | 1996-10-09 |
Family
ID=10772508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9506967A Withdrawn GB2299655A (en) | 1995-04-04 | 1995-04-04 | Personal temperature control device |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5280796A (en) |
GB (1) | GB2299655A (en) |
WO (1) | WO1996031136A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0864309A2 (en) * | 1997-03-11 | 1998-09-16 | Neil Eric Paxman | Apparatus for cooling human scalps |
ITLI20110001A1 (en) * | 2011-01-05 | 2012-07-06 | Leonardo Giovannini | HELMET IN THE SHAPE OF A HELMET CAPTATOR - HEATER (SENSOR - HEATSINK) OF ELECTROMAGNETIC ACTIVITY - ELECTROSTATIC - METEOROLOGICAL (ENVIRONMENTAL) |
US20220117343A1 (en) * | 2020-10-16 | 2022-04-21 | Bobby Coffman | Personal Cooling Device |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9492313B2 (en) | 2006-04-20 | 2016-11-15 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Method and apparatus of noninvasive, regional brain thermal stimuli for the treatment of neurological disorders |
US11684510B2 (en) | 2006-04-20 | 2023-06-27 | University of Pittsburgh—of the Commonwealth System of Higher Education | Noninvasive, regional brain thermal stimuli for the treatment of neurological disorders |
US9211212B2 (en) | 2006-04-20 | 2015-12-15 | Cerêve, Inc. | Apparatus and method for modulating sleep |
US8425583B2 (en) | 2006-04-20 | 2013-04-23 | University of Pittsburgh—of the Commonwealth System of Higher Education | Methods, devices and systems for treating insomnia by inducing frontal cerebral hypothermia |
EP2007334A1 (en) | 2006-04-20 | 2008-12-31 | University of Pittsburgh | Method and apparatus of noninvasive, regional brain thermal stimuli for the treatment of neurological disorders |
WO2014107509A1 (en) * | 2013-01-02 | 2014-07-10 | Cerêve, Inc. | Systems for enhancing sleep |
CN106491351A (en) * | 2016-11-18 | 2017-03-15 | 柴书喻 | A kind of headset style cooling refreshment head-shield |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB764993A (en) * | 1953-12-23 | 1957-01-02 | Stark Virgil | Improvements in refrigerated clothing |
GB1331002A (en) * | 1972-01-20 | 1973-09-19 | Nii Urologii I Nefrologii Im A | Apparatus for application of local hypothermy to the kidney |
GB1521752A (en) * | 1975-09-17 | 1978-08-16 | Vari Temp Mfg Co | Portable cooling or heating apparatus for human and animal body portions |
US4138743A (en) * | 1975-02-25 | 1979-02-13 | Acurex Corporation | Liquid cooled helmet |
WO1983002562A1 (en) * | 1982-02-01 | 1983-08-04 | Elkins, William | Personal temperature control system |
US4566455A (en) * | 1984-03-27 | 1986-01-28 | H. Mervin Hughes, II | Skin temperature control |
US4998415A (en) * | 1989-10-30 | 1991-03-12 | Larsen John D | Body cooling apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4172495A (en) * | 1977-08-03 | 1979-10-30 | Energy Systems Corporation | Slurry cooling of helmets |
US4133055A (en) * | 1977-08-03 | 1979-01-09 | Energy Systems Corporation | Protective helmet with thermal liner |
DE3210178A1 (en) * | 1982-03-19 | 1983-09-29 | Pharmavet Gesellschaft für veterinärmedizinische Therapeutika mbH, 4400 Münster | Cold pack for cryotherapy of the human head, hood suitable for this and use thereof |
NL193581C (en) * | 1990-03-30 | 2000-03-02 | Leuven K U Res & Dev | Hood designed for cooling the head. |
US5197292A (en) * | 1991-07-15 | 1993-03-30 | Mcpherson Paul R | Cooling cap for athletes |
-
1995
- 1995-04-04 GB GB9506967A patent/GB2299655A/en not_active Withdrawn
-
1996
- 1996-04-03 WO PCT/GB1996/000824 patent/WO1996031136A1/en active Application Filing
- 1996-04-03 AU AU52807/96A patent/AU5280796A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB764993A (en) * | 1953-12-23 | 1957-01-02 | Stark Virgil | Improvements in refrigerated clothing |
GB1331002A (en) * | 1972-01-20 | 1973-09-19 | Nii Urologii I Nefrologii Im A | Apparatus for application of local hypothermy to the kidney |
US4138743A (en) * | 1975-02-25 | 1979-02-13 | Acurex Corporation | Liquid cooled helmet |
GB1521752A (en) * | 1975-09-17 | 1978-08-16 | Vari Temp Mfg Co | Portable cooling or heating apparatus for human and animal body portions |
WO1983002562A1 (en) * | 1982-02-01 | 1983-08-04 | Elkins, William | Personal temperature control system |
US4566455A (en) * | 1984-03-27 | 1986-01-28 | H. Mervin Hughes, II | Skin temperature control |
US4998415A (en) * | 1989-10-30 | 1991-03-12 | Larsen John D | Body cooling apparatus |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0864309A2 (en) * | 1997-03-11 | 1998-09-16 | Neil Eric Paxman | Apparatus for cooling human scalps |
GB2323915A (en) * | 1997-03-11 | 1998-10-07 | Neil Eric Paxman | Apparatus for cooling human scalps |
EP0864309A3 (en) * | 1997-03-11 | 1999-01-13 | Neil Eric Paxman | Apparatus for cooling human scalps |
GB2323915B (en) * | 1997-03-11 | 2001-04-11 | Neil Eric Paxman | Apparatus for cooling human scalps |
ITLI20110001A1 (en) * | 2011-01-05 | 2012-07-06 | Leonardo Giovannini | HELMET IN THE SHAPE OF A HELMET CAPTATOR - HEATER (SENSOR - HEATSINK) OF ELECTROMAGNETIC ACTIVITY - ELECTROSTATIC - METEOROLOGICAL (ENVIRONMENTAL) |
US20220117343A1 (en) * | 2020-10-16 | 2022-04-21 | Bobby Coffman | Personal Cooling Device |
Also Published As
Publication number | Publication date |
---|---|
AU5280796A (en) | 1996-10-23 |
GB9506967D0 (en) | 1995-05-24 |
WO1996031136A1 (en) | 1996-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |