Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LC

Lloyd Douglas Clark — 43 Patents

MIMicrochip Technology Incorporated: 5 patents #113 of 958Top 15%
Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
ATAtmel: 2 patents #332 of 762Top 45%
Xerox: 2 patents #3,932 of 8,622Top 50%
MIT: 1 patents #4,386 of 9,367Top 50%
AMAmoco: 1 patents #610 of 1,251Top 50%
VAVarian: 1 patents #283 of 684Top 45%
San Francisco, CA: #609 of 26,999 inventorsTop 3%
California: #10,163 of 386,348 inventorsTop 3%
Overall (All Time): #70,323 of 4,157,543Top 2%
43 Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
5899604 Extending the dynamic range of single-bit, electrographic printers through multi-pass printing 1999-05-04
5736936 Method and apparatus for predicting peak voltage of a cable conveyed tool Bart Bombay, Marvin W. Rasmussen, Terry L. Mayhugh, Jimmy Everett Neeley, Guy Vachon 1998-04-07
5623715 Liquid toner concentrate management system and method 1997-04-22
5483232 Method and apparatus for predicting peak voltage of a cable conveyed tool Terry L. Mayhugh, Jimmy Everett Neeley, Guy Vachon 1996-01-09
D344974 Auto-radiogram image acquisition scanner William T. Davids, George D. Rehklau 1994-03-08
5116464 Cesium hydroxide etch of a semiconductor crystal David J. Edell 1992-05-26
4831527 Dynamic measuring system for determining the amount of excess body fat 1989-05-16
4752919 Clock with digital hour station and line of discrete, binary minute substations 1988-06-21
4600280 Digital audio recording/playback system for motion picture film 1986-07-15
4591885 Ion projection copier Gene F. Day 1986-05-27
4521792 Ion projection printer with charge compensation source Jean K. Wilcox, Gene F. Day 1985-06-04
4444515 Earring watch 1984-04-24
4420102 Automatic contouring napkin ring 1983-12-13
4413630 Sector scanner display and recording system for ultrasonic diagnosis Weston A. Anderson, William L. Beaver 1983-11-08
4378596 Multi-channel sonic receiver with combined time-gain control and heterodyne inputs 1983-03-29
4274422 Sector scanner display and recording system for ultrasonic diagnosis Weston A. Anderson, William L. Beaver 1981-06-23
4205483 Delayed return devices David Pressman 1980-06-03
4185283 Multiple character word indication system employing sequential sensible indicia 1980-01-22