GB2217831B - Improvements in or relating to ventilators - Google Patents

Improvements in or relating to ventilators

Info

Publication number
GB2217831B
GB2217831B GB8907979A GB8907979A GB2217831B GB 2217831 B GB2217831 B GB 2217831B GB 8907979 A GB8907979 A GB 8907979A GB 8907979 A GB8907979 A GB 8907979A GB 2217831 B GB2217831 B GB 2217831B
Authority
GB
United Kingdom
Prior art keywords
ventilators
relating
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.)
Expired - Lifetime
Application number
GB8907979A
Other versions
GB2217831A (en
GB8907979D0 (en
Inventor
Christopher Anthony Budd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of GB8907979D0 publication Critical patent/GB8907979D0/en
Publication of GB2217831A publication Critical patent/GB2217831A/en
Application granted granted Critical
Publication of GB2217831B publication Critical patent/GB2217831B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/241—Arrangement of opening or closing systems for windows and ventilation panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Greenhouses (AREA)
GB8907979A 1988-04-09 1989-04-10 Improvements in or relating to ventilators Expired - Lifetime GB2217831B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888808365A GB8808365D0 (en) 1988-04-09 1988-04-09 Improvements in/relating to barrier structures

Publications (3)

Publication Number Publication Date
GB8907979D0 GB8907979D0 (en) 1989-05-24
GB2217831A GB2217831A (en) 1989-11-01
GB2217831B true GB2217831B (en) 1992-02-19

Family

ID=10634888

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888808365A Pending GB8808365D0 (en) 1988-04-09 1988-04-09 Improvements in/relating to barrier structures
GB8907979A Expired - Lifetime GB2217831B (en) 1988-04-09 1989-04-10 Improvements in or relating to ventilators

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888808365A Pending GB8808365D0 (en) 1988-04-09 1988-04-09 Improvements in/relating to barrier structures

Country Status (1)

Country Link
GB (2) GB8808365D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080141483A1 (en) * 2006-12-18 2008-06-19 Pearl Enterprises, Llc. Rotary Cleaning head having indirect fluid application
EP3273171A1 (en) * 2016-07-22 2018-01-24 Stonetek OÜ Vent grate with a gutter

Also Published As

Publication number Publication date
GB2217831A (en) 1989-11-01
GB8907979D0 (en) 1989-05-24
GB8808365D0 (en) 1988-05-11

Similar Documents

Publication Publication Date Title
GB2209479B (en) Improvements in or relating to humidifiers
GB8921779D0 (en) Improvements in or relating to humidifying apparatus
GB8812128D0 (en) Improvements in ventilators
GB2225976B (en) Improvement in or relating to marking-out
GB2215281B (en) Improvements in or relating to minehunting systems
GB2217360B (en) Improvements in or relating to lintels
EP0324256A3 (en) Improvements in ventilators
GB9019715D0 (en) Improvements in or relating to sanitary-ware
GB2228192B (en) Improvements in or relating to pillows
ZA872965B (en) Improvements in ventilators
GB8905287D0 (en) Improvements in or relating to furnaces
GB2217831B (en) Improvements in or relating to ventilators
GB8805150D0 (en) Improvements in/relating to spheroidisers
GB2174192B (en) Improvements in or relating to cavity-wall ventilators
GB8823596D0 (en) Improvements in ventilators
GB2221262B (en) Improvements in or relating to sealing
GB2226404B (en) Improvements in or relating to thermoscopic units
GB8829319D0 (en) Improvements in or relating to spacers
GB8827920D0 (en) Improvements in/relating to hairdriers
ZA879639B (en) Improvements in ventilators
GB8818548D0 (en) Improvements in/relating to ventilators
GB9011619D0 (en) Improvements in or relating to control
GB2233202B (en) Improvements in or relating to cloches
GB2203690B (en) Improvements in or relating to thicknessers
GB8800574D0 (en) Improvements in ventilators

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960410