Harold D. Hutchinson

Person

Oxnard, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Heat sealing apparatus for plastic bags
- Patent number 6,450,088
- Issue date Sep 17, 2002
- Harwil Corporation
- Harold D. Hutchinson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Heat sealing apparatus for plastic bags
- Patent number 6,119,590
- Issue date Sep 19, 2000
- Harwil Corporation
- Harold D. Hutchinson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Heat sealing apparatus for plastic bags
- Patent number 5,947,019
- Issue date Sep 7, 1999
- Harwil Corporation
- Harold D. Hutchinson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hall effect fluid flow switch and flow meter
- Patent number 5,945,608
- Issue date Aug 31, 1999
- Harwil Corporation
- Harold D. Hutchinson
- G01 - MEASURING TESTING
Information Patent Grant
Fluid responsive switch pivot arm seal
- Patent number 5,939,688
- Issue date Aug 17, 1999
- Harwil Corporation
- Harold D. Hutchinson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photo detector bending beam flow switch and flow meter
- Patent number 5,932,814
- Issue date Aug 3, 1999
- Harwil Corporation
- Harold D. Hutchinson
- G01 - MEASURING TESTING
Information Patent Grant
Photo detector bending beam flow switch and flow meter
- Patent number 5,847,288
- Issue date Dec 8, 1998
- Harwill Corporation
- Harold D. Hutchinson
- G01 - MEASURING TESTING
Information Patent Grant
Heat sealing apparatus for plastic bags
- Patent number 5,826,503
- Issue date Oct 27, 1998
- Harwil Corporation
- Harold D. Hutchinson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hall effect fluid flow switch and flow meter
- Patent number 5,767,419
- Issue date Jun 16, 1998
- Harwill Corporation
- Harold D. Hutchinson
- G01 - MEASURING TESTING
Information Patent Grant
Magnet responsive variable differential switching apparatus
- Patent number 5,159,305
- Issue date Oct 27, 1992
- Harwil Corporation
- Harold D. Hutchinson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flow responsive switch apparatus
- Patent number 5,021,619
- Issue date Jun 4, 1991
- Harwil Corporation
- Harold D. Hutchinson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid responsive sealed pivot arm means
- Patent number 4,074,097
- Issue date Feb 14, 1978
- Harold D. Hutchinson
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Heavy cable crimping block
- Publication number 20040244188
- Publication date Dec 9, 2004
- Harold D. Hutchinson
- H01 - BASIC ELECTRIC ELEMENTS

Harold D. Hutchinson

Person

Patents Grantslast 30 patents

Heat sealing apparatus for plastic bags

Heat sealing apparatus for plastic bags

Heat sealing apparatus for plastic bags

Hall effect fluid flow switch and flow meter

Fluid responsive switch pivot arm seal

Photo detector bending beam flow switch and flow meter

Photo detector bending beam flow switch and flow meter

Heat sealing apparatus for plastic bags

Hall effect fluid flow switch and flow meter

Magnet responsive variable differential switching apparatus

Flow responsive switch apparatus

Fluid responsive sealed pivot arm means

Patents Applicationslast 30 patents

Heavy cable crimping block