David R. Nelson

Person

Santa Barbara, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Unmanned integrated optical remote emissions sensor (RES) for motor...
- Patent number RE44214
- Issue date May 14, 2013
- Envirotest Systems Holdings Corp.
- Jay Peterson
- 250 - Radiant energy
Information Patent Grant
Unmanned integrated optical remote emissions sensor (RES) for motor...
- Patent number RE40767
- Issue date Jun 23, 2009
- Environmental Systems Products Holdings Inc.
- Jay Peterson
- 250 - Radiant energy
Information Patent Grant
Method and apparatus for remote measurement of exhaust gas
- Patent number 5,831,267
- Issue date Nov 3, 1998
- Envirotest Systems Corp.
- Michael D. Jack
- G01 - MEASURING TESTING
Information Patent Grant
Unmanned integrated optical remote emissions sensor (RES) for motor...
- Patent number 5,726,450
- Issue date Mar 10, 1998
- Envirotest Systems Corp.
- Jay Peterson
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for determining compliance of moving vehicles w...
- Patent number 5,719,396
- Issue date Feb 17, 1998
- Envirotest Systems Corp.
- Michael D. Jack
- G01 - MEASURING TESTING
Information Patent Grant
Optical sensing apparatus for remotely measuring exhaust gas compos...
- Patent number 5,591,975
- Issue date Jan 7, 1997
- Santa Barbara Research Center
- Michael D. Jack
- G01 - MEASURING TESTING
Information Patent Grant
Optically immersed semiconductor photodetectors
- Patent number 5,545,896
- Issue date Aug 13, 1996
- Santa Barbara Research Center
- Peter R. Bratt
- G01 - MEASURING TESTING

David R. Nelson

Person

Patents Grantslast 30 patents

Unmanned integrated optical remote emissions sensor (RES) for motor...

Unmanned integrated optical remote emissions sensor (RES) for motor...

Method and apparatus for remote measurement of exhaust gas

Unmanned integrated optical remote emissions sensor (RES) for motor...

Systems and methods for determining compliance of moving vehicles w...

Optical sensing apparatus for remotely measuring exhaust gas compos...

Optically immersed semiconductor photodetectors