Inventor

Curtis Ray Droege

Inventor

Richmond, KY, US

Overview

1996–2011

Patent span

Performing operations

Primary field (CPC B)

Patents· 22 as inventor

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

B41Jprimary

B41JTypewriters92%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

8,070,264'Micro-fluid ejection heads with multiple glass layers'2011 7,938,508'Low profile printhead'2011 7,784,916'Micro-fluid ejection heads with multiple glass layers'2010 7,540,599'Bridging wick and method for an inkjet printhead'2009 7,393,079'Ink jet printhead garage configured to perform maintenance functions'2008 7,267,431'Multi-fluid ejection device'2007 7,192,129'Bridging wick and method for an inkjet printhead'2007 7,111,916'System and method of fluid level regulating for a media coating system'2006 6,832,829'Ink jet aerosol control using carrier movement as a piston pump'2004 6,530,643'Rotary wiping assembly for a nozzle plate in an ink jet printer'2003 6,502,926'Ink jet semiconductor chip structure'2003 6,394,503'System for securing tubing'2002 6,375,304'Maintenance mist control'2002 6,357,853'Waste ink management'2002 6,283,588'Print head cartridge made with jointless one-piece frame consisting of a single material throughout'2001 6,243,117'Print head cartridge and method of making a print head cartridge by one-shot injection molding'2001 6,172,694'Check valve for ink jet printing'2001 6,079,823'Ink bottle with puncturable diaphragm closure'2000 5,831,653'Ink jet print head cartridge'1998 5,661,510'Ink-jet cartridge venting'1997 5,576,750'Reliable connecting pathways for a three-color ink-jet cartridge'1996 5,537,136'Ink jet cartridge including filter inserts'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2011Patents assigned to LEXMARK INT INC (20)· patent assignee history

1996–2011Based in Richmond, KY, US· patent location history

1996–1998Based in Centralia, IL, US· patent location history

2000–2001Patents assigned to MARCONI DATA SYSTEMS INC (2)· patent assignee history

2000–2001Based in St. Clair County, IL, US· patent location history

2001Based in Belleville, IL, US· patent location history

2011Patents assigned to CORNELL ROBERT WILSON (1)· patent assignee history

2011Patents assigned to DIXON MICHAEL JOHN (1)· patent assignee history

2011Patents assigned to DROEGE CURTIS RAY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LEXMARK INT INC	20	1996–2011
MARCONI DATA SYSTEMS INC	2	2000–2001
CORNELL ROBERT WILSON	1	2011
DIXON MICHAEL JOHN	1	2011
DROEGE CURTIS RAYself	1	2011

Locations

Location	Patents	Span
Richmond, KY, US	15	1996–2011
Centralia, Illinois, US	3	1996–1998
Belleville, Illinois, US	2	2001
St. Clair County, Illinois, US	2	2000–2001