HARVARD CORPORATION

Organization

Evansville, WI, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Fluid filter apparatus and methods
- Patent number 8,617,404
- Issue date Dec 31, 2013
- Harvard Corporation
- Otto Knottnerus
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluid filter apparatus and methods
- Patent number 7,938,971
- Issue date May 10, 2011
- Harvard Corporation
- Otto Knottnerus
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of fluid filtering employing a novel cartridge sealing mecha...
- Patent number 6,319,416
- Issue date Nov 20, 2001
- Harvard Corporation
- Dennis R. Morgan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter element sealing mechanism
- Patent number 6,270,668
- Issue date Aug 7, 2001
- Harvard Corporation
- Dennis R. Morgan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluid filter collector with opposed ribs
- Patent number 5,486,290
- Issue date Jan 23, 1996
- Harvard Corporation
- Edward A. McGinness
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter apparatus with sealing collector and flow control element
- Patent number 4,792,397
- Issue date Dec 20, 1988
- Harvard Corporation
- Harold O. Rasmussen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluid collector with upraised ridges
- Patent number 4,780,204
- Issue date Oct 25, 1988
- Harvard Corporation
- Harold O. Rasmussen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Fluid Filter Apparatus and Methods
- Publication number 20110203697
- Publication date Aug 25, 2011
- HARVARD CORPORATION
- Otto Knottnerus
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Fluid Filter Apparatus and Methods
- Publication number 20090107926
- Publication date Apr 30, 2009
- HARVARD CORPORATION
- Otto Knottnerus
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

Information Trademark
90108643 - H
- Serial number 90108643
- Registration number 6721084
- Filing date Aug 12, 2020
- Harvard Corporation
- 7 - Machines and machine tools
Information Trademark
74455965 - CONSTANT CONTAMINATION CONTROL
- Serial number 74455965
- Registration number 2164912
- Filing date Nov 9, 1993
- Harvard Corporation
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74455964 - HARVARD
- Serial number 74455964
- Registration number 2018586
- Filing date Nov 9, 1993
- Harvard Corporation
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74461329 - H
- Serial number 74461329
- Registration number 1871192
- Filing date Nov 9, 1993
- Harvard Corporation
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes

HARVARD CORPORATION

Organization

Patents Grantslast 30 patents

Fluid filter apparatus and methods

Fluid filter apparatus and methods

Method of fluid filtering employing a novel cartridge sealing mecha...

Filter element sealing mechanism

Fluid filter collector with opposed ribs

Filter apparatus with sealing collector and flow control element

Fluid collector with upraised ridges

Patents Applicationslast 30 patents

Fluid Filter Apparatus and Methods

Fluid Filter Apparatus and Methods

Trademarklast 30 trademarks

90108643 - H

74455965 - CONSTANT CONTAMINATION CONTROL

74455964 - HARVARD

74461329 - H