HNU Systems, Inc.

Organization

Newton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of detecting nitrogen oxides in gaseous or liquid samples
- Patent number 4,849,058
- Issue date Jul 18, 1989
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Method of detecting carbon dioxide in a gaseous or liquid sample
- Patent number 4,846,937
- Issue date Jul 11, 1989
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Method of determining ammonia in a gaseous or liquid sample
- Patent number 4,842,697
- Issue date Jun 27, 1989
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Gas discharge lamp with built-in resistance to color center formati...
- Patent number 4,801,841
- Issue date Jan 31, 1989
- HNU Systems, Inc.
- John N. Driscoll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of determining H.sub.2 S
- Patent number 4,780,185
- Issue date Oct 25, 1988
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Method of detecting hydrogen cyanide gas in a gaseous or liquid sample
- Patent number 4,756,804
- Issue date Jul 12, 1988
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,659,434
- Issue date Apr 21, 1987
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Ion-selective electrodes
- Patent number 4,549,953
- Issue date Oct 29, 1985
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Ion detection electrode arrangement
- Patent number 4,013,913
- Issue date Mar 22, 1977
- HNU Systems Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Photoionization
- Patent number 3,933,432
- Issue date Jan 20, 1976
- HNU Systems Inc.
- John N. Driscoll
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73211212 - HNU
- Serial number 73211212
- Registration number 1236881
- Filing date Apr 11, 1979
- HNU Systems Inc.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry

HNU Systems, Inc.

Organization

Patents Grantslast 30 patents

Method of detecting nitrogen oxides in gaseous or liquid samples

Method of detecting carbon dioxide in a gaseous or liquid sample

Method of determining ammonia in a gaseous or liquid sample

Gas discharge lamp with built-in resistance to color center formati...

Method of determining H.sub.2 S

Method of detecting hydrogen cyanide gas in a gaseous or liquid sample

Gas sensor

Ion-selective electrodes

Ion detection electrode arrangement

Photoionization

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

73211212 - HNU