Inventor

Charles Stanley Aldrich

Inventor

Nicholasville, KY, US

Overview

1976–2014

Patent span

Performing operations

Primary field (CPC B)

Patents· 21 as inventor

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

B41Jprimary

B41JTypewriters75%

G03GElectrography13%

G06KGraphical data reading4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

8,820,904'Air removal and ink supply system for an inkjet printhead'2014 8,544,991'Consumable supply item, fluid reservoir and recirculation system for micro-fluid applications'2013 7,938,523'Fluid supply tank ventilation for a micro-fluid ejection head'2011 7,399,074'Ink tank for a printhead'2008 7,287,826'Method of performing dynamic printhead maintenance firing in an ink jet printer'2007 7,090,342'Passive ink pump system for an inkjet printer'2006 7,021,741'Printhead cap assembly for an ink jet printer'2006 6,817,695'Printhead capping assembly'2004 6,773,088'Double lipped printhead maintenance cap'2004 6,644,779'Rotating waste ink accumulation system'2003 6,517,185'Low force ink jet printhead capping system'2003 6,422,679'Maintenance station for an ink cartridge for a printer'2002 6,375,304'Maintenance mist control'2002 6,273,547'Waste ink collection system for an ink jet printer'2001 6,168,257'Maintenance station for an ink cartridge for a printer'2001 5,012,289'Toner metering apparatus'1991 5,012,293'Transfer station control in an electrophotographic reproduction device'1991 4,943,815'Laser printer with light-exposure prevention'1990 4,606,661'Proportional vertical and horizontal ribbon tracking for impact printers'1986 4,397,575'Ribbon lift and feed mechanism for a typewriter'1983 3,931,929'Tape perforator'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to ALDRICH CHARLES S (1)· patent assignee history

1976Based in St. James, NY, US· patent location history

1983–1991Patents assigned to IBM (5)· patent assignee history

1983–1991Based in Lexington, KY, US· patent location history

2001–2011Patents assigned to LEXMARK INT INC (13)· patent assignee history

2001–2014Based in Nicholasville, KY, US· patent location history

2013–2014Patents assigned to FUNAI ELECTRIC CO (2)· patent assignee history

2013Patents assigned to ALDRICH CHARLES (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LEXMARK INT INC	13	2001–2011
IBM	5	1983–1991
FUNAI ELECTRIC CO	2	2013–2014
ALDRICH CHARLESself	1	2013
ALDRICH CHARLES Sself	1	1976

Locations

Location	Patents	Span
Nicholasville, KY, US	15	2001–2014
Lexington, KY, US	5	1983–1991
St. James, New York, US	1	1976