USD311270S - Air filtration unit - Google Patents
Air filtration unit Download PDFInfo
- Publication number
- USD311270S USD311270S US07/095,476 US9547687F USD311270S US D311270 S USD311270 S US D311270S US 9547687 F US9547687 F US 9547687F US D311270 S USD311270 S US D311270S
- Authority
- US
- United States
- Prior art keywords
- filtration unit
- air filtration
- air
- unit
- view
- 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
- 238000001914 filtration Methods 0.000 title claims description 3
Images
Description
FIG. 1 is a rear perspective view of an air filtration unit, showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a top plan view thereof.
Claims (1)
- The ornamental design for an air filtration unit, as shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/095,476 USD311270S (en) | 1987-09-10 | 1987-09-10 | Air filtration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/095,476 USD311270S (en) | 1987-09-10 | 1987-09-10 | Air filtration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD311270S true USD311270S (en) | 1990-10-16 |
Family
ID=64237425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US07/095,476 Expired - Lifetime USD311270S (en) | 1987-09-10 | 1987-09-10 | Air filtration unit |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD311270S (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD392732S (en) | 1997-06-26 | 1998-03-24 | Veloz Pascual E | Air filtration unit |
| USD460167S1 (en) | 2000-11-02 | 2002-07-09 | Lab Products, Inc. | Enviro-guard controller unit |
| USD566256S1 (en) * | 2005-05-11 | 2008-04-08 | Nonox Ltd. | Filtering device |
| USD696760S1 (en) * | 2012-11-09 | 2013-12-31 | II John D. Wolf | Aerosol generator |
| USD737421S1 (en) * | 2012-05-04 | 2015-08-25 | Girbau, S.A. | Protective housing for a suction-assisted charging device in a clothes spin-drier |
| USD817468S1 (en) * | 2016-04-12 | 2018-05-08 | Mann+Hummel Gmbh | Filter housing |
| USD822812S1 (en) * | 2016-10-11 | 2018-07-10 | Yang-Min Hu | Humidifier with fragrance |
| USD840011S1 (en) * | 2017-06-06 | 2019-02-05 | Honeywell International Inc. | Dehumidifier |
| USD854673S1 (en) * | 2017-12-27 | 2019-07-23 | Kice Industries, Inc. | Air filter housing |
| USD886270S1 (en) * | 2017-04-25 | 2020-06-02 | Naomi-Grills B.V. | Desiccant dehumidifier |
| USD983952S1 (en) * | 2022-10-13 | 2023-04-18 | Shenzhen Wantener Technology Co., LTD | Dehumidifier |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US965783A (en) | 1909-07-31 | 1910-07-26 | Keller Mfg Company | Vacuum cleaning apparatus. |
| US1779201A (en) | 1927-07-05 | 1930-10-21 | Charles C Bateson | Air-blowing apparatus |
| US2855641A (en) | 1955-09-12 | 1958-10-14 | Stein Joseph | Electric air purifier |
| US2994405A (en) | 1958-12-31 | 1961-08-01 | Donald Deskey Corp | Air purifier |
| US3278114A (en) | 1965-02-10 | 1966-10-11 | Elton L Gibbs | Exhaust fan assembly and filter |
| US3438180A (en) | 1965-12-28 | 1969-04-15 | Trane Co | Air-cleaning apparatus |
| US3616624A (en) | 1969-11-04 | 1971-11-02 | Becton Dickinson Co | Laminar flow work bench |
| US3672126A (en) | 1970-07-20 | 1972-06-27 | Goettle Bros Metal Products In | Air conditioner |
| US3750370A (en) | 1971-12-09 | 1973-08-07 | Proto Manuf Ltd | Air purifier |
| US3930818A (en) | 1974-12-20 | 1976-01-06 | Mcdougall Redford W | Air cleaner |
| US3936284A (en) | 1974-08-16 | 1976-02-03 | Mason Engineering And Designing Corporation | Air filtering apparatus |
| US4047913A (en) | 1975-01-08 | 1977-09-13 | Yutaka Denki Saisakusho | Dust collector for dental technician |
| US4121916A (en) | 1976-10-26 | 1978-10-24 | Fricke Roy A | Portable air purge |
| USD254566S (en) | 1978-04-13 | 1980-03-25 | Kemtron Operations Pty. Ltd. | Portable fan housing |
| US4252547A (en) | 1979-02-15 | 1981-02-24 | Johnson Kenneth O | Gas cleaning unit |
| USD282101S (en) | 1982-06-11 | 1986-01-07 | John Manufacturing Limited | Combined electric fan and fan heater |
| US4604111A (en) | 1981-11-23 | 1986-08-05 | Anthony Natale | Particulate contamination control method and filtration device |
| US4613348A (en) | 1985-02-22 | 1986-09-23 | Anthony Natale | Disposable HEPA filtration device |
-
1987
- 1987-09-10 US US07/095,476 patent/USD311270S/en not_active Expired - Lifetime
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US965783A (en) | 1909-07-31 | 1910-07-26 | Keller Mfg Company | Vacuum cleaning apparatus. |
| US1779201A (en) | 1927-07-05 | 1930-10-21 | Charles C Bateson | Air-blowing apparatus |
| US2855641A (en) | 1955-09-12 | 1958-10-14 | Stein Joseph | Electric air purifier |
| US2994405A (en) | 1958-12-31 | 1961-08-01 | Donald Deskey Corp | Air purifier |
| US3278114A (en) | 1965-02-10 | 1966-10-11 | Elton L Gibbs | Exhaust fan assembly and filter |
| US3438180A (en) | 1965-12-28 | 1969-04-15 | Trane Co | Air-cleaning apparatus |
| US3616624A (en) | 1969-11-04 | 1971-11-02 | Becton Dickinson Co | Laminar flow work bench |
| US3672126A (en) | 1970-07-20 | 1972-06-27 | Goettle Bros Metal Products In | Air conditioner |
| US3750370A (en) | 1971-12-09 | 1973-08-07 | Proto Manuf Ltd | Air purifier |
| US3936284A (en) | 1974-08-16 | 1976-02-03 | Mason Engineering And Designing Corporation | Air filtering apparatus |
| US3930818A (en) | 1974-12-20 | 1976-01-06 | Mcdougall Redford W | Air cleaner |
| US4047913A (en) | 1975-01-08 | 1977-09-13 | Yutaka Denki Saisakusho | Dust collector for dental technician |
| US4121916A (en) | 1976-10-26 | 1978-10-24 | Fricke Roy A | Portable air purge |
| USD254566S (en) | 1978-04-13 | 1980-03-25 | Kemtron Operations Pty. Ltd. | Portable fan housing |
| US4252547A (en) | 1979-02-15 | 1981-02-24 | Johnson Kenneth O | Gas cleaning unit |
| US4604111A (en) | 1981-11-23 | 1986-08-05 | Anthony Natale | Particulate contamination control method and filtration device |
| US4604111B1 (en) | 1981-11-23 | 1989-06-06 | ||
| USD282101S (en) | 1982-06-11 | 1986-01-07 | John Manufacturing Limited | Combined electric fan and fan heater |
| US4613348A (en) | 1985-02-22 | 1986-09-23 | Anthony Natale | Disposable HEPA filtration device |
Non-Patent Citations (2)
| Title |
|---|
| Brochure-Nilfisk, 11-86. |
| Rodale's New Shelter Magazine reprint, ©1982, p. 48:18, Cleanaire 1212, top left side of page. |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD392732S (en) | 1997-06-26 | 1998-03-24 | Veloz Pascual E | Air filtration unit |
| USD460167S1 (en) | 2000-11-02 | 2002-07-09 | Lab Products, Inc. | Enviro-guard controller unit |
| USD566256S1 (en) * | 2005-05-11 | 2008-04-08 | Nonox Ltd. | Filtering device |
| USD737421S1 (en) * | 2012-05-04 | 2015-08-25 | Girbau, S.A. | Protective housing for a suction-assisted charging device in a clothes spin-drier |
| USD696760S1 (en) * | 2012-11-09 | 2013-12-31 | II John D. Wolf | Aerosol generator |
| USD834166S1 (en) * | 2016-04-12 | 2018-11-20 | Mann+Hummel Gmbh | Filter housing |
| USD817468S1 (en) * | 2016-04-12 | 2018-05-08 | Mann+Hummel Gmbh | Filter housing |
| USD822812S1 (en) * | 2016-10-11 | 2018-07-10 | Yang-Min Hu | Humidifier with fragrance |
| USD886270S1 (en) * | 2017-04-25 | 2020-06-02 | Naomi-Grills B.V. | Desiccant dehumidifier |
| USD840011S1 (en) * | 2017-06-06 | 2019-02-05 | Honeywell International Inc. | Dehumidifier |
| USD884861S1 (en) | 2017-06-06 | 2020-05-19 | Ademco Inc. | Dehumidifier |
| USD854673S1 (en) * | 2017-12-27 | 2019-07-23 | Kice Industries, Inc. | Air filter housing |
| USD983952S1 (en) * | 2022-10-13 | 2023-04-18 | Shenzhen Wantener Technology Co., LTD | Dehumidifier |
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