Inventor

Clark W. Crawford

Inventor

Wilsonville, OR, US

Overview

24→

Patents

1993–2013

Patent span

Performing operations

Primary field (CPC B)

Patents· 24 as inventor

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

B41Jprimary

B41JTypewriters35%

C09DCoating compositions, e.g. paints, varnishes or lacquers13%

B41MPrinting, duplicating, marking, or copying processes10%

H05KPrinted circuits6%

LOC186%

B28BShaping clay or other ceramic compositions3%

B29CShaping or joining of plastics3%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering3%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%

PatentTitleYear

8,551,556'Method for obtaining controlled sidewall profile in print-patterned structures'2013 7,955,783'Lamination for printed photomask'2011 7,626,966'Ad hoc wireless communication system'2009 6,936,212'Selective deposition modeling build style providing enhanced dimensional accuracy'2005 D0501502'Three-dimensional printer'2005 6,527,386'Compliant imaging surface for offset printing'2003 5,904,350'Apparatus and method for deskewing media in a printer'1999 5,861,903'Ink feed system'1999 5,808,645'Removable applicator assembly for applying a liquid layer'1998 5,805,191'Intermediate transfer surface application system'1998 5,790,160'Transparency imaging process'1998 5,784,089'Melt plate design for a solid ink printer'1998 5,677,718'Drop-on-demand ink jet print head having improved purging performance'1997 D0383153'Solid ink stick for a color printer'1997 D0383154'Solid ink stick for a color printer'1997 D0373139'Solid ink stick for a color printer'1996 D0372270'Solid ink stick for a color printer'1996 D0371802'Solid ink stick for a color printer'1996 D0371801'Solid ink stick for color printer'1996 5,510,821'Solid ink stick'1996 5,502,476'Method and apparatus for controlling phase-change ink temperature during a transfer printing process'1996 5,386,224'Ink level sensing probe system for an ink jet printer'1995 5,276,468'Method and apparatus for providing phase change ink to an ink jet printer'1994 5,196,241'Method for processing substrates printed with phase-change inks'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1999Patents assigned to TEKTRONIX INC (18)· patent assignee history

1993–1999Based in Wilsonville, OR, US· patent location history

2003–2009Based in Los Angeles, CA, US· patent location history

2005Patents assigned to 3D SYSTEMS INC (2)· patent assignee history

2009Patents assigned to IDEALAB (1)· patent assignee history

2011–2013Patents assigned to PALO ALTO RES CT INC (2)· patent assignee history

2011–2013Based in Danville, CA, US· patent location history

2013Patents assigned to CRAWFORD CLARK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEKTRONIX INC	18	1993–1999
3D SYSTEMS INC	2	2005
PALO ALTO RES CT INC	2	2011–2013
CRAWFORD CLARKself	1	2013
IDEALAB	1	2009

Locations

Location	Patents	Span
Wilsonville, OR, US	18	1993–1999
Los Angeles, California, US	4	2003–2009
Danville, California, US	2	2011–2013