John J. Howarth

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multiple coat measurement and control apparatus and method
- Patent number 5,455,422
- Issue date Oct 3, 1995
- Measurex Corporation
- Leonard M. Anderson
- G05 - CONTROLLING REGULATING
Information Patent Grant
Multiple coat measurement and control apparatus and method
- Patent number 5,338,361
- Issue date Aug 16, 1994
- Measurex Corporation
- Leonard M. Anderson
- G05 - CONTROLLING REGULATING
Information Patent Grant
Coating weight measuring and control apparatus and method
- Patent number 4,957,770
- Issue date Sep 18, 1990
- Measurex Corporation
- John J. Howarth
- G01 - MEASURING TESTING
Information Patent Grant
Temperature insensitive moisture sensor
- Patent number 4,928,013
- Issue date May 22, 1990
- Measurex Corporation
- John Howarth
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Gloss gauge
- Patent number 4,830,504
- Issue date May 16, 1989
- Measurex Corporation
- Allen Frohardt
- G01 - MEASURING TESTING
Information Patent Grant
System for measuring the color of a material
- Patent number 4,715,715
- Issue date Dec 29, 1987
- Measurex Corporation
- John Howarth
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus to measure select properties of a moving sheet with impro...
- Patent number 4,319,847
- Issue date Mar 16, 1982
- Measurex Corporation
- John J. Howarth
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus to measure select properties of a moving sheet
- Patent number 4,277,177
- Issue date Jul 7, 1981
- Measurex Corporation
- Tor G. Larsen
- G01 - MEASURING TESTING
Information Patent Grant
Method of titrating liquor
- Patent number 4,104,028
- Issue date Aug 1, 1978
- Measurex Corporation
- John Joseph Howarth
- G01 - MEASURING TESTING
Information Patent Grant
Titration apparatus and method therefor
- Patent number 4,012,197
- Issue date Mar 15, 1977
- Measurex Corporation
- John J. Howarth
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring the amount of moisture that is a...
- Patent number 4,006,358
- Issue date Feb 1, 1977
- Measurex Corporation
- John J. Howarth
- G01 - MEASURING TESTING
Information Patent Grant
Optical reflectance gauge and method therefor
- Patent number 3,994,602
- Issue date Nov 30, 1976
- Measurex Corporation
- John J. Howarth
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for measuring a predetermined characteristic of a materia...
- Patent number 3,965,356
- Issue date Jun 22, 1976
- Measurex Corporation
- John J. Howarth
- G01 - MEASURING TESTING

John J. Howarth

Person

Patents Grantslast 30 patents

Multiple coat measurement and control apparatus and method

Multiple coat measurement and control apparatus and method

Coating weight measuring and control apparatus and method

Temperature insensitive moisture sensor

Gloss gauge

System for measuring the color of a material

Apparatus to measure select properties of a moving sheet with impro...

Apparatus to measure select properties of a moving sheet

Method of titrating liquor

Titration apparatus and method therefor

Method and apparatus for measuring the amount of moisture that is a...

Optical reflectance gauge and method therefor

Apparatus for measuring a predetermined characteristic of a materia...