Niels J. Nielsen

Person

Corvallis, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Protective capping apparatus for an ink-jet pen
- Patent number 5,682,186
- Issue date Oct 28, 1997
- Hewlett-Packard Company
- Jaime H. Bohorquez
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-cooled thermal ink jet printhead
- Patent number 5,657,061
- Issue date Aug 12, 1997
- Hewlett-Packard Company
- Dana Seccombe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal inkjet printer printhead with offset heater resistors
- Patent number 5,635,968
- Issue date Jun 3, 1997
- Hewlett-Packard Company
- Eldurkar V. Bhaskar
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-cooled thermal ink jet printhead
- Patent number 5,459,498
- Issue date Oct 17, 1995
- Hewlett-Packard Company
- Dana Seccombe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Determining the operating energy of a thermal ink jet printhead usi...
- Patent number 5,418,558
- Issue date May 23, 1995
- Hewlett-Packard Company
- Scott W. Hock
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Regulator for ink-jet pens
- Patent number 5,040,002
- Issue date Aug 13, 1991
- Hewlett-Packard Company
- James E. Pollacek
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet print cartridge
- Patent number D314209
- Issue date Jan 29, 1991
- Hewlett-Packard Company
- Donald R. McClelland
- D18 - Printing and office machinery
Information Patent Grant
Thermal ink jet pen having a feedtube with improved sizing and oper...
- Patent number 4,931,811
- Issue date Jun 5, 1990
- Hewlett-Packard Company
- Bruce Cowger
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Hydraulically tuned channel architecture
- Patent number 4,882,595
- Issue date Nov 21, 1989
- Hewlett-Packard Company
- Kenneth E. Trueba
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printhead having a preloaded check valve
- Patent number 4,677,447
- Issue date Jun 30, 1987
- Hewlett-Packard Company
- Niels J. Nielsen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet orifice plate having integral separators
- Patent number 4,528,577
- Issue date Jul 9, 1985
- Hewlett-Packard Co.
- Frank L. Cloutier
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Niels J. Nielsen

Person

Patents Grantslast 30 patents

Protective capping apparatus for an ink-jet pen

Ink-cooled thermal ink jet printhead

Thermal inkjet printer printhead with offset heater resistors

Ink-cooled thermal ink jet printhead

Determining the operating energy of a thermal ink jet printhead usi...

Regulator for ink-jet pens

Ink-jet print cartridge

Thermal ink jet pen having a feedtube with improved sizing and oper...

Hydraulically tuned channel architecture

Ink jet printhead having a preloaded check valve

Ink jet orifice plate having integral separators