WO2018035338A1 - Dispositif de désinfection - Google Patents

Dispositif de désinfection Download PDF

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Publication number
WO2018035338A1
WO2018035338A1 PCT/US2017/047368 US2017047368W WO2018035338A1 WO 2018035338 A1 WO2018035338 A1 WO 2018035338A1 US 2017047368 W US2017047368 W US 2017047368W WO 2018035338 A1 WO2018035338 A1 WO 2018035338A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
sole
platform
sanitizing device
user
Prior art date
Application number
PCT/US2017/047368
Other languages
English (en)
Inventor
Robert Kassel
Brad HOLLANDER
Original Assignee
Healthy Sole, Llc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US15/241,814 external-priority patent/US10064966B2/en
Application filed by Healthy Sole, Llc filed Critical Healthy Sole, Llc
Publication of WO2018035338A1 publication Critical patent/WO2018035338A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/02—Shoe-cleaning machines, with or without applicators for shoe polish
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/22—Devices or implements resting on the floor for removing mud, dirt, or dust from footwear
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation

Definitions

  • the present invention relates generally to sanitizing devices or disinfectant systems, and particularly to a shoe sole sanitizer utilizing ultraviolet radiation and/or advanced oxidation to kill or inactivate microbial pathogens, viruses, bacteria, molds, spores and the like deposited on shoe sole surfaces, hands, feet and other anatomical surfaces.
  • Biocontamination and cross-contamination presents a constantly increasing threat to human and pet health.
  • Bacteria and other microorganisms, which cause infectious diseases, are often spread by persons walking into contaminated areas and then carrying the contaminants to other areas. For example, a person or animal may walk through a
  • contaminated area and his shoes, hooves, paws, socks may pick up bacteria or other microorganisms, which may cause illness, and then the person may grab his shoes by the soles for removal from his feet. The contaminants are then spread from the soles of the shoes to the person's hands or objects that are touched.
  • the health care industry is especially vulnerable to contaminants due to the high likelihood of encountering harmful bacteria and other microorganisms that will cross-contaminate persons and objects.
  • Biocontaminants can spread from the soles of contaminated shoes to carpets and floors, upon which small children and infants crawl. Contaminants can also spread from rest rooms, farms, buildings and/or mass transportation centers.
  • the sanitizing device and in particular a shoe sole sanitizer, provides a UVC and/or advanced oxidation system that kills or inactivates microbial pathogens deposited on the effected surfaces and in particular the shoe sole surfaces, including the side surfaces of a foot or shoe.
  • the system includes a housing containing at least one UV radiation source and/or advanced oxidation source. Bottom and side portions of the housing are opaque to provide a UV shield and may contain emitters directing the UV upward towards top housing portion.
  • the top housing portion has a plurality of holes or slots or other shaped apertures to emit the germicidial energy; preferably, the apertures can form any shape; the illustrated design is an approximate shape of two shoe sole bottoms.
  • the holes allow the UV radiation to escape the housing and target shoe sole surfaces disposed on and over the exterior of the housing top.
  • the top housing portion has protrusions or ridges designed throughout the aperture design to raise the shoe or foot above the top housing surface.
  • the top housing portion can also be formed as a recessed surface so as to permit the germicidal energy to impact additional side surfaces of the shoe or foot placed thereon in addition to the sole.
  • the system can be powered by standard AC electrical power or battery sources.
  • Each shoe sole approximation area of the top has a pivotal tang that extends therefrom.
  • a shutter system is attached internally to the tangs thereby extending or limiting UV exposure from the top surface depending on the size of the sole disposed on the top.
  • the shutter system can be at the front of the sole or be shaped to approximate the entire sole bottom or any portion thereof.
  • the shutter system may be a single shield or be segmented shields that encompass any desired design or configuration; and may be deployed singly or jointly.
  • Fig. 1 is a perspective view of the shoe sole sanitizer according to the present invention.
  • Fig. 2 is an exploded, perspective view of the shoe sole sanitizer according to the present invention.
  • Fig. 3 is an exploded, perspective view of the shoe sole sanitizer incorporating an advanced oxidation system therein.
  • Fig. 4 is a view of the shoe sole sanitizer incorporating an advanced oxidation system therein.
  • Fig. 4A is a view of the shoe sole sanitizer incorporating an advanced oxidation system therein along lines A-A of Fig. 4.
  • Fig. 5 is a side view of the shoe sole sanitizer incorporating an advanced oxidation system therein showing the distribution manifold.
  • Fig. 6 A is a perspective view of the shoe sole sanitizer according to the present invention.
  • Fig. 6 B is a cross-section view along line 6B-6B of the protrusion.
  • Fig. 7 is a schematic block diagram showing the interrelationship between the major electronic components of the present invention.
  • Fig. 8 is an exploded, perspective view of the sanitizing device showing placement of the sensors according to the present invention.
  • Fig. 9 is a perspective view of a variation of the sanitizing device.
  • Fig. 10A is an exploded, perspective view of an embodiment of the sanitizing device showing the platform with integral protrusions.
  • Fig. 10B is a view of the protrusions along lines 10B-10B of Fig. 10A.
  • Fig. 11 is a perspective view of a further embodiment of the sanitizing device. Similar reference characters denote corresponding features consistently throughout the attached drawings.
  • the shoe sole sanitizer 100 includes a housing 111 containing at least one UV radiation source 134.
  • the source may be of any conventional emitter of germicidal energy having a wavelength for killing or inactivating microorganisms within the range of 180nm-500nm.
  • Bottom and side portions of the housing are usually opaque to provide a UV shield while directing the UV upward towards top housing portion.
  • the top housing portion includes a platform 94 that has a plurality of holes 104a and 104b that may form an approximate shape of two shoe sole bottoms, referred to herein as shoe sole approximation areas.
  • the platform 94 is preferably metal.
  • the housing can be made from any suitable material, such as metal and plastic, for example.
  • the material can vary in type, thickness, and grade depending on the environment in which the device is being used, e.g., indoor or outdoor use, use in a food processing plant, an explosive environment, or in a wet area. Such materials can be adapted to make the device water resistant.
  • the housing can be adapted to include either a manual or an automated cleaning system to maintain the device operating optimally.
  • the housing can include sensors to monitor the aging of the lamps and output of the device, as well as to increase or decrease power for optimal results.
  • the housing can also include various types of materials and disinfectants, such as hydrogen peroxide, to disinfect the shoe sole sanitizer and keep foreign matter from depositing inside the unit.
  • the housing can be adapted to include brushes or mechanical devices to clean the footwear prior to use of the device.
  • the housing can be used in conjunction with UV and/or ozone to produce an advanced oxidation result thereby increasing the germicidal process.
  • Figs. 3, 4, 4A, and 5 disclose an embodiment that incorporates an oxidation system
  • the holes 104a and 104b allow UV radiation and/or advanced oxidation to escape the housing and target shoe sole surfaces disposed on and over the exterior of the housing top.
  • the holes 104a and 104b also allow the shoe sole sanitizer 100 to adjust to any shoe size to reduce or eliminate unwanted UVC exposure onto surrounding persons or animals, surfaces, skin, or eyes.
  • the holes 104a are disposed closer to a lateral edge of the platform 94 than the holes 104b.
  • the holes 104a are of a smaller diameter than the holes 104b and are designed to let UV light through while acting as a physical barrier to prevent heels having small cross-sectional area (e.g., high heels) from sinking into the interior of the housing.
  • the unintentional exposure of people to UVC light can also be controlled and prevented by the shoe print design on the top of the shoe sole sanitizer 100.
  • the UVC light may be transmitted to the soles of the user through the holes 104a and 104b and not from a remainder of the housing.
  • a boot or sock mold can be used to delineate the area for the shoe so as to reduce or eliminate any unwanted UVC exposure.
  • Portions of the housing 111 may be light reflective to aid in directing the UV source radiation through the holes 104a and 104b.
  • the holes 104a and 104b can be located anywhere in the unit, such as the toe or heel region of the shoes or on the side areas of the shoes, thereby allowing the shoe sole sanitizer 100 to be used by a variety of people without having to worry about the variations in the shoe sizes and styles.
  • the holes 104a and 104b, as well as the shoe print design will enable the shoe sole sanitizer 100 to overcome many of the safety concerns raised by federal organizations such as the Food and Drug Administration (FDA) and the Occupational Safety and Health Administration (OSHA).
  • the device 100 can be adapted to include safety switches, and sensors, such as pressure, proximity, and motion sensors, for example, to improve the safety and operation of the system.
  • a switch for activating the device 100 may be triggered only when weight exerted on the platform by a user exceeds a certain threshold value, e.g., 50 pounds.
  • the switches and sensors can be placed on the top, the bottom, the sides, or below the top plate, so as to be used as a safety system to protect against misuse by children, pets, or infants.
  • Fig. 8 wherein the weight sensors WS and foot position sensors PS are located about the platform
  • the device can be adapted to include a timer to control exposure and operation of the device.
  • Shutters 119 (shown in Fig. 2) attached internally to the tangs 102 extend or limit UV exposure from the platform 94 depending on whether the size and/or weight of the sole is large enough to depress the tang and thereby open the shutter admitting UV light close to the tangs 102 or small enough not to depress the tang thereby keeping the shutter in an elevated, closed position that forms a light barrier.
  • the shutter 119 may be a mechanical or electronic shutter, for example, or other suitable type of shutter capable of reducing or eliminating the reflected light or direct UVC light from the UVC source in the shoe sole sanitizer 100.
  • Each shutter 119 is bifurcated and includes a pivotable flap extension 121.
  • the spring biasing is achieved by a spring hinge 187 disposed through pivot holes 156 of the shutters 119 and pivot slots 157 of vertical barrier walls 136.
  • Each shoe sole approximation area of the top has a pivotal tang that extends therefrom.
  • the shutter system can be at the front of the sole or can be shaped to approximate the entire sole or any portion thereof.
  • the shutter system may be a single shield or be segmented shields that encompass any desired design or configuration; and may be deployed singly or jointly. Additionally, with or without the shutter system, a template or shield S, as shown in Fig. 9, may overlie the platform 94 and shield as much of the radiation as necessary thereby protecting users with small or odd shaped sole
  • the position sensors PS located about the platform 94, as shown in Fig. 8.
  • the position sensors PS can be operatively connected to the power source, as shown in Fig. 7, and detect positioning of the shoe to determine maximum coverage with the minimum of radiation exposure and leakage, thereby determining when to turn the power source on.
  • Ridges 106 are disposed on the platform 94 along either side of the centerlines of the shoe sole approximation areas.
  • the term "ridges" is meant to be exemplary and defines any type or shape of protuberance or bump above a horizontal plane. These ridges 106 support the shoe soles so that a substantial portion of the shoe soles is elevated over the holes 104a, 104b thereby permitting a greater contact area of the UV radiation with the shoe soles and increase the area of a sole being exposed. Further, the ridges 106 can allow the shoe sole to be elevated and expose the shadowed areas of the shoe sole to the UVC light.
  • the ridges 106 may also have through-bores allowing the UV radiation light to escape and contact portions of the shoe sole supported by ridges 106. Each ridge 106 can have a pair of through- bores, one through-bore on the right side of the ridge and another through-bore on the left side of the ridge, wherein the throughbores can be vertical or at any desired angle.
  • top housing portion or platform 94 can be disposed as a recessed surface so that the shoe or foot is below the upper rim of the housing thereby permitting the germicidal energy to impact more of the side surfaces of the shoe or foot placed thereon in addition to the sole.
  • ridges with a platform 94 (Figs. 1 and 2) or in a recessed configuration allows the use of UVC reflective materials thereby increasing the exposure of UVC light onto otherwise shadowed areas of the sole or foot.
  • the system can be adapted to be operated automatically with the use of on/off timers or manually.
  • the system can be powered by standard AC electrical power, battery sources, or solar power.
  • a manually operated power switch 130 is disposed on the side of housing base 111 closest to a heel portion of the shoe sole approximation areas.
  • the UV sources 134 are preferably high cycling, quick start UV-C lamps, preferably of the elongated variety, and extending inside the housing beneath the shoe sole approximation area of holes 104a, 104b on the platform 94.
  • the UV sources can include light pipe sources, fiber optic sources, solid-state UVC sources, active and passive sensors arranged in a variety of configurations so as to control the UV light from escaping and instead focus, direct, or control the light onto a target.
  • the cycling times of the lamps can be modified to increase the effectiveness of the device.
  • Hot cathode, cold cathode, light emitting diodes, and induction UV lamps, as well as fiber optic and light pipes can be adapted for use in the housing to distribute the UVC light to the shoe sole.
  • the UVC lamps preferably emit a substantial portion of photon energy at wavelength(s) somewhere between approximately 180 to approximately 325 nm.
  • Ozone and ultrasonic energy disinfectants can be used in place of or in addition to the UVC lamps.
  • ridges 106' are disposed on the platform 94' along either side of the centerlines of the shoe sole approximation areas. In this embodiment the holes 104a, 104b have been eliminated. These ridges 106' support the shoe soles so that a substantial portion of the shoe soles is elevated over the platform thereby permitting a greater contact area of the UV radiation with the shoe soles and increase the area of a sole being exposed. As seen in cross-section view Fig. 6B, the ridges 106' have through-bores allowing the UV radiation light to escape and contact portions of the shoe sole supported by ridges 106'. Each ridge 106' can have any design of through-bores to enhance the radiation exposure to the soles of the shoes.
  • Fig. 6B illustrates a single vertical bore
  • the bore can formed as a pair of through-bores, one through-bore on the right side of the ridge and another through-bore on the left side of the ridge or one or a plurality of angled through- bores.
  • Elongate, rectangular circuit board 132 is disposed inside the housing 111 or 111" as seen in Fig. 8, and enclosed by longitudinally disposed vertical barrier walls 136.
  • Horizontal ribs 138 extend laterally perpendicular to the vertical barrier walls 136 and attach to the vertical barrier walls 136 via complementary slots disposed in the vertical barrier walls 136 and the horizontal ribs 138.
  • Tabs on the ends of the horizontal ribs and complementary slots on the housing 111 secure the horizontal ribs 138 to the housing 111.
  • Left side tabs extend toward the front of housing 111 and right side tabs extend toward the rear of housing 111.
  • a translucent dust shield 97 is disposed below the support platform 94 or 94" and is supported by longitudinally extending dust shield retaining rods 84 which sit atop and perpendicular to the horizontal ribs 138.
  • a flange 95 or 95" extends around the periphery of the support platform 94 or 94" and supports bezel 90 or 90".
  • the circuit board 132 shown in Fig. 2 can include an off-the-shelf Kodiak Tech, P69174 lamp ballast circuit.
  • the circuit board 132 is designed to, upon application of power via power switch 130 and NiCad battery 199 produce a high voltage alternating current (AC) to the UV-C lamps which, in the embodiment shown, are the UV sources 134.
  • the circuit board 132 is operably connected to an audible alert 166 to warn a user when the UV-C sources 134 are powered up and emitting UV-C radiation.
  • An interlock switch 191 keeps the unit from powering on when the platform 94 is removed for servicing.
  • a pulsed light can also be effective to kill microorganisms on shoe surfaces.
  • One type of pulsed light is a xenon flash lamp or pulsed xenon lamps that produce flashes several times per second.
  • the xenon flash lamps come in various wattages: 10W, 15W, 20W, and 60W and produce the acceptable 180nm to 325nm wavelength.
  • Figs. 7, 8, and 9 disclose the use of sensors to perform a variety of functions.
  • the platform 94, 94" or housing 111, 111" can be equipped a weight or pressure sensors WS to detect the weight of a user and to communicate with the power source/processor/memory to initiate emission of radiation either immediately or at a timed delay thereafter. It is contemplated that by detecting mass, the device can be set so as to prevent being operated by children, pets, or toys. Notwithstanding the manually operated power switch 130', Fig. 9, the just described weight sensitive, timed exposure system may also be employed for hands -free operation of the device.
  • feet position or placement sensors PS Another example for operating the device would be the feet position or placement sensors PS. These sensors can function alone or in cooperation with the weight sensors WS. Typical position sensors PS would be located about the platform 94, 94" or housing 111, 111" and have a light beam interruption system in which placement of one or both feet/shoes on the ridges 106, 106' will interrupt the beam of light therebetween thereby signaling proper foot placement to the power source 199/processor 135/memory 137 thereby enabling the device to start emitting radiation either immediately or at a timed delay thereafter. It is further contemplated that the sensors PS can have one as a light emitter and the other as the light receiver, or one sensor can be both the emitter and receiver and the opposing device be a reflector.
  • FIG. 10A Another embodiment of the invention is shown in Fig. 10A, wherein the device 100" is illustrated in similar fashion to Fig. 8 with the elements removed from the housing 111" for easier understanding.
  • the platform 94" includes the protrusions as integral formations, as shown in sectional view of Fig. 10B.
  • the platform and integral protrusions can be made of quartz, as illustrated, or other material as desired that permits transmission of the UV radiation as shown.
  • this embodiment can also possess the tangs 102 and shutter system of Figs. 1 and 2 and the shield S of Fig. 9.
  • FIG. 11 Another embodiment of the invention is shown in Fig. 11, wherein the device possesses the same components S, 111, 121, 130, 132, 134, 166, 199 as previously described.
  • the platform 94 has been replaced by support columns SC extending from the bottom surface of the housing 111.
  • the material used for the support columns may be quartz, metal, or the like and the may be reflective or non-reflective. It is also
  • the lamps 134 are similar to those previously discussed and could further be mercury-type lamps, short-arc mercury lamps, as well as flash lamps or xenon lamps. As previously discussed, the lamps should emit energy within the 180nm-500nm, wherein a range of 190nm-230nm is contemplated for germicidal energy sufficient to kill or inactivate microorganisms or pathogens.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

La présente invention concerne un désinfectant pour semelle de chaussure (100) qui fournit un système d'émission de rayons UV qui tue les pathogènes microbiens déposés sur les surfaces de semelles de chaussures. Le système comprend un boîtier (111) contenant au moins une source de rayons UV (134). Les parties inférieure et latérales du boîtier (111) sont opaques pour fournir un bouclier anti-UV tout en dirigeant les UV vers le haut en direction d'une partie supérieure du boîtier. La partie supérieure du boîtier a une pluralité de trous (104a, 104b) formant une forme approximative de deux fonds de semelle de chaussure. Les trous (104a, 104b) permettent aux rayons UV de sortir du boîtier et de cibler les surfaces de semelles disposées sur et par-dessus l'extérieur de la partie supérieure du boîtier. Chaque zone d'approximation de semelle de chaussure a un tenon pivotant (102) qui s'étend à partir de celle-ci. Des obturateurs (119) fixés à l'intérieur aux tenons (102) prolongent ou limitent l'exposition aux UV depuis la surface supérieure en fonction de la taille de la semelle disposée sur la partie supérieure. Le système est alimenté par des sources classiques de courant alternatif ou de batteries.
PCT/US2017/047368 2016-08-19 2017-08-17 Dispositif de désinfection WO2018035338A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/241,814 2016-08-19
US15/241,814 US10064966B2 (en) 2014-04-09 2016-08-19 Sanitizing device

Publications (1)

Publication Number Publication Date
WO2018035338A1 true WO2018035338A1 (fr) 2018-02-22

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PCT/US2017/047368 WO2018035338A1 (fr) 2016-08-19 2017-08-17 Dispositif de désinfection

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111603584A (zh) * 2020-06-30 2020-09-01 北京易明生泰科技有限公司 一种鞋底消毒器
KR102250438B1 (ko) * 2020-10-23 2021-05-10 인영복 전염병 예방을 위한 살균용 발판
WO2021224514A1 (fr) * 2020-05-08 2021-11-11 Teg Technologies Research And Development, S.L. Dispositif et procédé pour la désinfection de vêtements
CN113729591A (zh) * 2020-12-28 2021-12-03 北京华夏天草科技有限公司 一种鞋底自动清洗消毒机及清洗消毒方法
IT202000015832A1 (it) 2020-07-01 2022-01-01 Elio Muti Dispositivo di sanificazione
WO2022155618A1 (fr) * 2021-01-15 2022-07-21 Nittany Solutions Group, LLC Dispositif et systèmes de protection contre les ultraviolets

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7875869B1 (en) * 2008-11-01 2011-01-25 Kamyar Shadan Apparatus for sanitizing feet of persons entering a home
US8641353B2 (en) * 2011-08-25 2014-02-04 King Saud University System for storing and retrieving shoes
US20140241941A1 (en) * 2013-02-27 2014-08-28 Arthur Kreitenberg Ultraviolet autonomous trolley for sanitizing aircraft
US20150290346A1 (en) * 2014-04-09 2015-10-15 Healthy Sole, Llc. Sanitizing device
US9272058B1 (en) * 2013-03-15 2016-03-01 Michael W. Montgomery Sanitizing device, system and methods of use thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7875869B1 (en) * 2008-11-01 2011-01-25 Kamyar Shadan Apparatus for sanitizing feet of persons entering a home
US8641353B2 (en) * 2011-08-25 2014-02-04 King Saud University System for storing and retrieving shoes
US20140241941A1 (en) * 2013-02-27 2014-08-28 Arthur Kreitenberg Ultraviolet autonomous trolley for sanitizing aircraft
US9272058B1 (en) * 2013-03-15 2016-03-01 Michael W. Montgomery Sanitizing device, system and methods of use thereof
US20150290346A1 (en) * 2014-04-09 2015-10-15 Healthy Sole, Llc. Sanitizing device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021224514A1 (fr) * 2020-05-08 2021-11-11 Teg Technologies Research And Development, S.L. Dispositif et procédé pour la désinfection de vêtements
CN111603584A (zh) * 2020-06-30 2020-09-01 北京易明生泰科技有限公司 一种鞋底消毒器
IT202000015832A1 (it) 2020-07-01 2022-01-01 Elio Muti Dispositivo di sanificazione
KR102250438B1 (ko) * 2020-10-23 2021-05-10 인영복 전염병 예방을 위한 살균용 발판
CN113729591A (zh) * 2020-12-28 2021-12-03 北京华夏天草科技有限公司 一种鞋底自动清洗消毒机及清洗消毒方法
WO2022155618A1 (fr) * 2021-01-15 2022-07-21 Nittany Solutions Group, LLC Dispositif et systèmes de protection contre les ultraviolets
GB2618711A (en) * 2021-01-15 2023-11-15 Nittany Solutions Group Llc Ultraviolet shielding device and systems

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