GB2217831B - Improvements in or relating to ventilators - Google Patents
Improvements in or relating to ventilatorsInfo
- 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
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)
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)
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 |
-
1988
- 1988-04-09 GB GB888808365A patent/GB8808365D0/en active Pending
-
1989
- 1989-04-10 GB GB8907979A patent/GB2217831B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2217831A (en) | 1989-11-01 |
GB8907979D0 (en) | 1989-05-24 |
GB8808365D0 (en) | 1988-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960410 |