Inventor

Richard A. Williams

Inventor

Hampstead, NH, US

Overview

1976–2019

Patent span

Performing operations

Primary field (CPC B)

Patents· 95 as inventor

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

B41Cprimary

B41CProcesses for the manufacture or reproduction of printing surfaces14%

B41PIndexing scheme relating to printing, lining machines, typewriters, and to stamps10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

B41NPrinting plates or foils6%

A47LDomestic washing or cleaning5%

B41JTypewriters5%

B41FPrinting machines or presses4%

B09CReclamation of contaminated soil3%

B41MPrinting, duplicating, marking, or copying processes3%

H04NPictorial communication, e.g. television3%

PatentTitleYear

10,517,410Lock for securing front rail to wire shelving2019 D0870988Litter box2019 D0867076Sound device2019 D0850029Litter box2019 9,842,205'Time-varying passwords for user authentication'2017 9,788,667'Lock for securing front rail to wire shelving'2017 9,744,649'SUB (sound utility block)'2017 8,867,346'Method, system, and computer program product for providing network data flow analysis and routing'2014 8,594,478'Method and apparatus for storing a laser optical fiber'2013 8,413,435'Exhaust manifolds including heat shield assemblies'2013 8,342,340'Merchandising system'2013 8,227,155'Epoxysilane hole blocking layer photoconductors'2012 8,227,154'Melamine polymer hole blocking layer photoconductors'2012 8,177,076'Merchandising system'2012 8,071,267'Phenol polysulfide hole blocking layer photoconductors'2011 7,004,676'Fly max power trowel'2006 6,966,449'Bulk box'2005 6,900,826'Multiple resolution helical imaging system and method'2005 6,539,859'Multicolor printing press'2003 6,485,775'Starchy food-based fine particle fat substitute'2002 6,482,250'Nozzle for low pressure flash tanks for ore slurry'2002 6,457,203'Bucket insert and wash bucket'2002 6,423,674'Aqueous solution for maintaining floors'2002 6,251,194'Method for mopping and scrubbing a surface using an apparatus for pesticide elimination and surface traction treatment'2001 6,132,311'Poker game'2000 6,132,792'Alkali metal bisulfates as acidulants in leavened baked goods'2000 6,110,255'Nozzle for low pressure flash tanks for ore slurry'2000 6,105,193'Scrubbing and mopping apparatus with positive attachment of mop to carrier block'2000 6,095,049'Laser-driven method and apparatus for lithographic imaging and printing plates for use therewith'2000 6,085,377'Mop for scrubbing and mopping apparatus pesticide elimination and surface traction treatment'2000 6,048,134'Automatic aspirator air control system'2000 6,026,747'Automatic plate-loading cylinder for multiple printing members'2000 6,024,019'Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith'2000 6,024,868'Air flow control circuit for sustaining vacuum conditions in a contaminant extraction well'2000 6,015,225'Vibration input to moving aqueous cementitious slurry'2000 6,006,397'Bucket insert and wash bucket'1999 5,996,496'Laser-imageable lithographic printing members'1999 5,989,330'Acid resistant cement composition'1999 5,983,441'Bucket insert and wash bucket'1999 5,979,554'Vacuum application method and apparatus for removing liquid contaminants from groundwater'1999 5,964,005'Scrubbing and mopping apparatus'1999 5,946,391'Telephones with talker sidetone'1999 5,940,924'Removably mounted deck brush'1999 5,903,948'Mopping and brushing apparatus'1999 5,902,411'Method for maintaining floors'1999 5,870,955'Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith'1999 5,813,754'Vibration input to moving aqueous cemetitious slurry'1998 5,812,179'Apparatus for laser-discharge imaging including beam-guiding assemblies'1998 5,784,746'Abrasive mop head'1998 5,764,274'Apparatus for laser-discharge imaging and focusing elements for use therewith'1998 5,709,505'Vertical isolation system for two-phase vacuum extraction of soil and groundwater contaminants'1998 5,638,753'Laser-driven method and apparatus for lithographic imaging and printing plates for use therewith'1997 5,636,572'Seamless offset lithographic printing members for use with laser-discharge imaging apparatus'1997 5,634,403'Seamless offset lithographic printing members for use with laser-discharge imaging apparatus'1997 D0375391'Mop head'1996 5,561,520'Measuring properties of a slurry'1996 5,559,883'Method and apparatus for secure data packet bus communication'1996 5,551,341'Lithographic printing plates for use with laser discharge imaging apparatus'1996 5,540,150'Laser-driven method and apparatus for lithographic imaging and printing plates for use therewith'1996 5,515,182'Rotary scanner'1996 5,489,326'Gold recovery using controlled oxygen distribution pressure oxidation'1996 5,464,309'Dual wall multi-extraction tube recovery well'1995 D0362938'Mop head'1995 5,446,436'High voltage high power arc suppressing fuse'1995 5,440,987'Laser imaged seamless lithographic printing members and method of making'1995 5,385,092'Laser-driven method and apparatus for lithographic imaging'1995 5,358,357'Process and apparatus for high vacuum groundwater extraction'1994 5,351,617'Method for laser-discharge imaging a printing plate'1994 5,335,226'Communications system with reliable collision detection method and apparatus'1994 5,272,979'Plasma-jet imaging apparatus and method'1993 5,237,923'Apparatus and method for imaging lithographic printing plates using spark discharges'1993 5,235,914'Apparatus and method for imaging lithographic printing plates using spark discharges'1993 5,182,990'Method of reducing printing artifacts'1993 5,174,205'Controller for spark discharge imaging'1992 5,163,368'Printing apparatus with image error correction and ink regulation control'1992 5,148,746'Print-head and plate-cleaning assembly'1992 5,121,688'Spark-discharge recording head with position sensor and control for imaging lithographic printing plates'1992 5,103,731'Pitch and roll adjustment for print-head assembly'1992 5,062,364'Plasma-jet imaging method'1991 5,029,693'Swing-up swivel wheel diverter assembly and method'1991 5,005,479'Method and apparatus for imaging printing plates by spark discharge'1991 4,958,562'Printing member with an organic plastic surface and method for imaging'1990 4,958,563'Lithography plate with a chromium surface and method for imaging'1990 4,947,750'Printing member for a press with dampening'1990 4,947,749'Printing member for a press with dampening'1990 4,936,211'Multicolor offset press with segmental impression cylinder gear'1990 4,911,075'Lithographic plates made by spark discharges'1990 4,864,119'Bulk avalanche semiconductor switch using a mesa structure'1989 4,818,133'High speed wire matrix print head'1989 4,726,056'Shared flexible rating of telecommunications calls'1988 4,639,385'High voltage high vacuum coating'1987 4,500,553'Method of producing a frozen dual-textured confection'1985 4,400,102'Multi-color print head'1983 4,268,533'Quick-set low methoxyl pectin composition'1981 3,952,231'Functional package for complex electronic systems with polymer-metal laminates and thermal transposer'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2005Based in Hampstead, NH, US· patent location history

1985–2002Based in Plymouth, MN, US· patent location history

1989–2019Patents assigned to WILLIAMS RICHARD A (8)· patent assignee history

1990–2005Patents assigned to PRESSTEK INC (33)· patent assignee history

1994–2012Patents assigned to XEROX CORP (9)· patent assignee history

1995–2002Based in Dana Point, CA, US· patent location history

1995–2012Based in Savannah, NY, US· patent location history

1996–2002Patents assigned to BARRICK GOLD CORP (4)· patent assignee history

1999–2002Patents assigned to JOHNSON S C COMM MARKETS INC (8)· patent assignee history

2012–2019Based in Akron, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PRESSTEK INC	33	1990–2005
XEROX CORP	9	1994–2012
JOHNSON S C COMM MARKETS INC	8	1999–2002
WILLIAMS RICHARD Aself	8	1989–2019
BARRICK GOLD CORP	4	1996–2002

Locations

Location	Patents	Span
Hampstead, NH, US	37	1983–2005
Dana Point, California, US	14	1995–2002
Savannah, New York, US	8	1995–2012
Akron, OH, US	5	2012–2019
Plymouth, Minnesota, US	3	1985–2002