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The ornamental design for an hvac filter, as shown and described. |
FIG. 1 is a perspective view of an HVAC filter showing our new design;
FIG. 2 is a front view thereof, the rear view thereof being the same;
FIG. 3 is a top view thereof, the bottom view thereof being the same; and,
FIG. 4 is a side view thereof, the other side thereof being the same.
Sundet, Douglas C., Pitzen, James F.
Patent | Priority | Assignee | Title |
10273612, | Aug 26 2014 | 3M Innovative Properties Company | Spunbonded web comprising polylactic acid fibers |
10442702, | Nov 10 2016 | ECOVAP, INC | Evaporation panel securing systems |
10556809, | Nov 10 2016 | ECOVAP, INC | Evaporation panel systems and assemblies |
10562789, | Nov 10 2016 | ECOVAP, INC | Evaporation panels |
10562790, | Nov 10 2016 | ECOVAP, INC | Wastewater evaporative separation systems |
11274050, | Nov 10 2016 | ECOVAP, INC. | Evaporation panels |
11472717, | Aug 04 2017 | ECOVAP, INC. | Evaporation panel systems and methods |
11505475, | Nov 01 2017 | ECOVAP, INC. | Evaporation panel assemblies, systems, and methods |
11639296, | Aug 04 2017 | ECOVAP, INC. | Evaporation panel systems and methods |
6858297, | Apr 05 2004 | 3M Innovative Properties Company | Aligned fiber web |
7622063, | Apr 05 2004 | 3M Innovative Properties Company | Pleated aligned web filter |
7754041, | Jul 31 2006 | 3M Innovative Properties Company | Pleated filter with bimodal monolayer monocomponent media |
7947142, | Jul 31 2006 | 3M Innovative Properties Company | Pleated filter with monolayer monocomponent meltspun media |
8142538, | Apr 05 2004 | 3M Innovative Properties Company | Pleated aligned web filter |
8372175, | Jul 31 2006 | 3M Innovative Properties Company | Pleated filter with bimodal monolayer monocomponent media |
8491690, | Apr 28 2009 | Parker Intangibles LLC | Panel filter |
8500839, | Apr 28 2009 | Parker-Hannifin Corporation | Panel filter |
8506669, | Jul 31 2006 | 3M Innovative Properties Company | Pleated filter with monolayer monocomponent meltspun media |
D544949, | Sep 10 2004 | Filtration Group Incorporated | Air filter |
D593189, | Oct 19 2006 | Nitto Denko Corporation | Air filter |
D605274, | Oct 19 2006 | Nitto Denko Corporation | Air filter |
D605275, | Oct 19 2006 | Nitto Denko Corporation | Air filter |
D618779, | Jan 12 2009 | Air filter | |
D642666, | Jan 16 2008 | Mini air freshening diamonds | |
D679792, | Jun 07 2010 | Scented air filter | |
D685898, | Oct 21 2011 | DiversiTech Corporation | Filter frame |
D705411, | Jun 07 2012 | 3M Innovative Properties Company | Air filter |
D708311, | Oct 17 2011 | DiversiTech Corporation | Filter frame |
D732153, | Aug 16 2013 | 3M Innovative Properties Company | Air filter |
D754315, | Nov 04 2013 | iRobot Corporation | Filter |
D778419, | Jun 12 2013 | KAZ USA, INC | Filter assembly |
D804829, | Feb 16 2016 | Easy Gardener Products, Inc.; EASY GARDENER PRODUCTS, INC D B A JOBES COMPANY | Landscape fabric |
D809115, | Nov 04 2013 | iRobot Corporation | Filter |
D815725, | Jan 25 2016 | Filter support | |
D826389, | Nov 04 2013 | iRobot Corporation | Filter |
D858731, | May 10 2017 | LG Electronics Inc | Filter for air purifier |
D858732, | May 10 2017 | LG Electronics Inc | Humidifying filter for air purifier |
D859623, | May 10 2017 | LG Electronics Inc | Humidifying filter for air purifier |
D859624, | May 10 2017 | LG Electronics Inc | Humidifying filter for air purifier |
D864366, | Sep 21 2017 | ECOVAP, INC | Evaporation panel |
D877876, | Sep 07 2018 | 3M Innovative Properties Company | Three dimensional filter frame |
D921174, | Aug 19 2016 | WALLNER EXPAC, INC | Diffuser |
D921175, | Aug 19 2016 | WALLNER EXPAC, INC | Diffuser |
D936198, | Jan 22 2020 | DBG Group Investments, LLC | Ozone plate for an air purification device |
D939681, | Jan 04 2021 | SHANGHAI MESUN COMPANY | Frame for air cleaner filter element |
D986400, | Dec 04 2020 | Zehnder Group International AG | Air filter for ventilation equipment |
ER4219, |
Patent | Priority | Assignee | Title |
3679057, | |||
3712033, | |||
3853529, | |||
3941571, | Apr 07 1975 | ALLIS-CHALMERS CORPORATION, 1126 S 70TH STR , W ALLIS, WI , A DE CORP ; SnyderGeneral Corporation | Filter pleat fold spacer |
4177050, | Aug 23 1976 | Farr Company | Air filter assembly |
4199387, | Dec 02 1977 | Farr Company | Air filter fabrication method |
4210067, | Oct 02 1978 | DUST STOP CORPORATION | Method of and apparatus for making air filters |
4547950, | May 29 1984 | Honeywell Inc. | Method of spacing the folds of a folded filter media |
4731047, | Aug 31 1984 | A. G. Custom Machine Co. Inc. | Apparatus for making filter frames |
4798575, | Jun 20 1985 | Flodins Filter AB | Method and apparatus for the manufacture of filters |
4817942, | May 10 1985 | Begon S.A. Societe Anonyme | Safety fencing sword |
4976677, | Nov 17 1986 | Flodins Filter AB | Process for the production of filters, and a filter produced by the process |
5230800, | Feb 20 1992 | MINNESOTA MINING AND MANUFACTURING COMPANY A CORPORATION OF DE | Scrim inserted electrostatic fibrous filter web |
5389175, | Jul 18 1992 | Filterwerk Mann & Hummel GmbH | Method of manufacturing a pleated filter material |
5397632, | May 14 1993 | Fiberweb, Inc | Nonwoven laminated composite article capable or readily undergoing pleating to form a stable pleated depth gaseous filtration medium |
5505852, | Mar 04 1992 | Minnesota Mining and Manufacturing Company | Filter element for the filtration of fluids |
5507847, | Jul 29 1994 | W. L. Gore & Associates, Inc.; W L GORE & ASSOCIATES, INC | ULPA filter |
5509950, | Jul 11 1992 | Minnesota Mining and Manufacturing Company | Filter device for the filtration of gases and/or fluids |
5512075, | Apr 05 1993 | NIPPONDENSO CO , LTD | Folded filter element for filtering fluid |
5558689, | Jul 12 1994 | NITTETSU MINING CO , LTD | Reinforced filter element |
5597645, | Aug 30 1994 | Kimberly-Clark Worldwide, Inc | Nonwoven filter media for gas |
5618324, | May 04 1993 | Filterwerk Mann & Hummel GmbH | Filter insert |
5704953, | Mar 29 1996 | Air Kontrol, Inc. | Forced air system air filter |
5709735, | Oct 20 1995 | Kimberly-Clark Worldwide, Inc | High stiffness nonwoven filter medium |
5779747, | Aug 04 1995 | Firma Carl Freudenberg | Flexible folded filter insert |
5782944, | Mar 18 1997 | CLARCOR AIR FILTRATION PRODUCTS, INC | Moisture resistant air filter |
5814219, | Apr 21 1995 | Donaldson Company, Inc. | Pleated filter having a planar sheet of randomly arranged filaments to maintain pleat spacing |
5817168, | Jun 11 1996 | Aromatic filter system | |
5820644, | Apr 25 1996 | Bridgestone Corporation | Air filter |
5836861, | Oct 29 1996 | FLANDERS PRECISIONAIRE, INC | Filter assembly apparatus |
5868889, | Dec 30 1993 | JACOBI SYSTEMTECHNIK GMBH | Process for manufacturing a fluid filter |
6039779, | Sep 15 1995 | Filterwerk Mann & Hummel GmbH | Filter element |
D397777, | Apr 17 1997 | Combined filter and cover unit for an air conditioner | |
DE1757508, | |||
FR2217049, | |||
RE30782, | Mar 25 1974 | MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP OF DE | Method for the manufacture of an electret fibrous filter |
WO9817368, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 25 2000 | 3M Innovative Properties Company | (assignment on the face of the patent) | ||||
Nov 06 2000 | SUNDET, DOUGLAS C | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011247 | 0538 | |
Nov 07 2000 | PITZEN, JAMES F | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011247 | 0538 |
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