Search
Top Companies

Classes by alpha

Search

Under Construction

Disclaimer

Expired patents of:
Hewlett-Packard Company

Displaying 1 to 50 of 229 patents. (Retrieval took 1.858 seconds.)

 Patent TitleExpired:
1.Virtual right leg drive and augmented right leg drive circuits for common mode voltage reduction in ECG and EEG measurements2007-02-28
2.Chelating negative charge director for liquid electrographic toner2007-02-28
3.Computer peripheral mounting bracket2007-02-25
4.Capacitively-coupled amplifier with improved low frequency response2007-02-21
5.Pixel resolution enhancement employing encoded dot size control2007-02-21
6.Spring cartridge clamp for inkjet printer carriage2007-02-21
7.Printing device duplexing mechanism and method therefor2007-02-21
8.Language identification system and method for a peripheral unit2007-02-21
9.Framework for rules checking utilizing resistor, nonresistor, node and small node data structures2007-02-18
10.Method and system for producing electrically interconnected circuits2007-02-14
11.Method and system for producing electrically interconnected circuits2007-02-14
12.Method for control of ground bounce above an internal ground plane in a short-wire board test fixture2007-02-14
13.Sheet material registration apparatus and method2007-02-11
14.Liquid crystal light valve system with contrast control2007-02-11
15.Method and system for measuring drop-volume in ink-jet printers2007-02-07
16.Apparatus and method of sensing the position of a magnetic head2007-02-07
17.Entrainment air dam2007-02-02
18.Toner projection printer with means to reduce toner spreading2007-02-02
19.Method for determining if data should be written at the beginning of a buffer depending on space available after unread data in the buffer2007-01-26
20.Method and apparatus for selecting higher order terms for a holographic neural network2007-01-26
21.Circuit for sharpening of edges of a pixel image in a color copier2007-01-19
22.Toner powder level sensing using element and pulse signal and toner powder presence sensing using piezoelectric film2007-01-19
23.Universally accessible healthcare devices with on the fly generation of HTML files2007-01-12
24.System for calibrating a color display to enable color-matching2007-01-10
25.Circuit testing system2007-01-10
26.System for promoting correct finger placement in a fingerprint reader2007-01-07
27.Method and apparatus for designing trace lengths of a clocked bus of a mounting surface2007-01-07
28.Positioning mechanism having elongate bending elements oriented perpendicular to the direction of movement2006-12-31
29.Method for hardware-assisted automatic sorting of out-of-order packets using restricted transaction label2006-12-24
30.Multi-temperature film die2006-12-20
31.Anti-skew idler roller system2006-12-17
32.Manual selecting inkjet primer system2006-12-15
33.Wavelength monitor for optical signals2006-12-15
34.Computer implemented methods and apparatus for testing a telecommunications management network (TMN) agent2006-12-15
35.Method and an apparatus for limited variable speed scanning2006-12-13
36.Power efficient and high performance flip-flop2006-12-10
37.Heart defibrillator eith E-PAC chassis2006-12-01
38.Simulated infinite ground screen in an RF test chamber2006-12-01
39.Testing integrated circuit pad input and output structures2006-11-29
40.Method and system for communicating event messages between a peripheral device and a client computer2006-11-26
41.Method and system for screening a VLSI design for inductive coupling noise2006-11-26
42.Two-line contact carriage bearing subsystem2006-11-22
43.Fluoresent lamp current level controller2006-11-22
44.Ink tube connection to printhead carriage cover2006-11-19
45.Electrical rules checker system and method providing quality assurance of tri-state logic2006-11-19
46.Stencil dryer2006-11-17
47.Headspace sampling system2006-11-15
48.Positive-charging organic photoconductor for liquid electrophotography2006-11-15
49.Method and system for purging air from a print mechanism2006-11-12
50.Printing media feed and retaining apparatus for a thermal ink jet printer/plotter2006-11-08

Pages: 1 | 2 | 3 | 4 | 5 |

Questions or comments? Send us a note!

Home | Top Companies | Classes by alpha | Search | Under Construction | Disclaimer | Contact us