Inventor

David E. Hockey

Inventor

Brockport, NY, US

Overview

20→

Patents

1988–2005

Patent span

Physics

Primary field (CPC G)

Patents· 20 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography83%

Y02PClimate change mitigation technologies in the production or processing of goods8%

H01TSpark gaps4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

6,954,603'Fuser oil contamination prevention and clean-up method'2005 6,724,998'Image forming apparatus with variable toning bias offset service utility'2004 6,650,848'Image-forming device having on-line image quality assessment and related method'2003 6,580,880'Electrophotographic process control and diagnostic system'2003 6,459,859'Service routine to identify causes for image artifacts in printed output'2002 6,442,358'Electrophotographic marking machine including a controller for the selective interruption and restart of a print mode operation and method'2002 6,427,053'Method and apparatus for monitoring parameters corresponding to operation of an electrophotographic marking machine'2002 6,370,340'Method and apparatus for monitoring parameters corresponding to operation of an electrophotographic marking machine'2002 6,337,960'Electrostatographic image-forming apparatus and method with control of image forming after cycle-up'2002 6,246,852'Grid electrode for corona charger'2001 6,181,886'Toner replenishment and collection apparatus and method'2001 6,118,953'Electrostatographic apparatus and method with programmable toner concentration decline with the developer life'2000 6,074,756'Transfer member for electrostatography'2000 6,014,158'Transfer roller electrical bias control'2000 5,987,271'Method and apparatus for control of variability in charge to mass ratio in a development station'1999 5,899,600'Air flow control for cleaning system for reproduction apparatus'1999 5,897,238'Method of setting position of a corona charger'1999 5,862,433'Electrostatographic method and apparatus with improved auto cycle up'1999 5,819,137'Integrated environmental management for reproduction apparatus'1998 4,740,818'Electrophotographic reproduction apparatus and method with selective screening'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2005Patents assigned to EASTMAN KODAK CO (10)· patent assignee history

1988–2001Based in Rochester, NY, US· patent location history

1998–2005Based in Brockport, NY, US· patent location history

2001–2002Patents assigned to NEXPRESS SOLUTIONS LLC (2)· patent assignee history

2002–2004Patents assigned to HEIDELBERGER DRUCKMASCH AG (5)· patent assignee history

2002Patents assigned to HEIDELBERG DIGITAL LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EASTMAN KODAK CO	10	1988–2005
HEIDELBERGER DRUCKMASCH AG	5	2002–2004
HEIDELBERG DIGITAL LLC	2	2002
NEXPRESS SOLUTIONS LLC	2	2001–2002

Locations

Location	Patents	Span
Brockport, New York, US	18	1998–2005
Rochester, New York, US	2	1988–2001