JK

John F. Knapp

Xerox: 67 patents #139 of 8,622Top 2%
📍 Fairport, NY: #18 of 1,225 inventorsTop 2%
🗺 New York: #1,127 of 115,490 inventorsTop 1%
Overall (All Time): #31,262 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
5873014 System for purging contaminants from a vacuum assisted image conditioning roll Lawrence Floyd, Jr. 1999-02-16
5848337 Electrical biasing scheme for preventing overplating in an image-on-image electrostatographic printing system Chu-heng Liu, David H. Pan, George A. Gibson, Robert M. Simms 1998-12-08
5745826 Liquid toner image conditioning roll having image protection surface layer Shu Chang, Lawrence Floyd, Jr., Santokh S. Badesha, Donald S. Sypula 1998-04-28
5708936 Hydrodynamically stable coating flow applicator Fong-Jen J. Wang, Gerald A. Domoto, Paul W. Morehouse Jr., Thomas A. Hanna, Stephen T. Chai +1 more 1998-01-13
5666617 Lid machine having a differential air pressure assisted blotting device Nancy B. Goodman, Shu Chang 1997-09-09
5634170 Method and apparatus for sensing and cleaning developer fluid Nancy B. Goodman 1997-05-27
5619313 Method and apparatus for liquid image development and transfer Gerald A. Domoto, Vittorio Castelli, Joannes N. M. deJong, Lloyd A. Williams 1997-04-08
5604075 Liquid developer compositions and processes James R. Larson, Frank J. Bonsignore 1997-02-18
5574547 Liquid electrophotographic reproduction machine employing heated carrier liquid Gary Allen Denton, James R. Larson, Damodar M. Pai 1996-11-12
5519473 Liquid developing material applicator Paul W. Morehouse, Jr. 1996-05-21
5493370 Single-component electrophotographic development system Grace T. Brewington, Paul C. Julien, Masashi Kajimoto, Hidekiyo Tachibana, Kazuo Terao +2 more 1996-02-20
5481341 Roller for controlling application of carrier liquid Donald S. Sypula, Santokh S. Badesha, Shu Chang, Robert E. Trott, Stephen T. Chai +2 more 1996-01-02
5387967 Single-component electrophotographic development system Grace T. Brewington, Paul C. Julien, Masashi Kajimoto, Hidekiyo Tachibana, Kazuo Terao +2 more 1995-02-07
5337136 Tandem trilevel process color printer Richard F. Koehler, Jr. 1994-08-09
5305064 Compact single component development system with modified toner agitator and toner dispense auger disposed therein Robert E. Trott, Lawrence Floyd, Jr. 1994-04-19
5212522 Basic developability control in single component development system 1993-05-18
5204495 Developer unit disturbing brush Lawrence Floyd, Jr., Robert E. Trott, Norman W. Czubaj, Jr. 1993-04-20
5121171 Hybrid color printing machine 1992-06-09
5077578 Development system Steven J. Grammatica 1991-12-31
5047806 Meterless single component development Grace T. Brewington 1991-09-10
5012287 Compact two-component development system with zonal toner dispenser control 1991-04-30
4965158 Toner compositions with modified charge enhancing additives Robert J. Gruber, Raymond A. Yourd, III, Paul C. Julien, Steven B. Bolte 1990-10-23
4963990 Continuous halftoning using quarternary pixel cells Thomas A. Henderson 1990-10-16
4920023 Stable color developer compositions and process for the preparation thereof Ronald J. Koch, Robert J. Gruber 1990-04-24
4912005 Toner and developer compositions with conductive carrier components Donald J. Goodman 1990-03-27