Inventor

Alexander Williamson

Inventor
Mortsel, BE

Overview

27→
Patents
1981–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 27 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices18%
B41CProcesses for the manufacture or reproduction of printing surfaces16%
F01LCyclically operating valves for machines or engines6%
C03BManufacture, shaping, or supplementary processes5%
C07CAcyclic or carbocyclic compounds5%
F16JPistons5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B41MPrinting, duplicating, marking, or copying processes3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,865,669Run out tolerant reciprocating cylinder sleeve seal carbon scraper202010,746,626Vibration testing system and methodology202010,220,548Humidity activated formulation for volatile compounds20199,371,749'Hybrid valve stem seal retainer assembly'20169,052,018'Eccentricity tolerant valve stem seal assembly'20158,563,222'Lithographic printing plate precursor'20138,445,176'Lithographic printing plate precursor'20138,415,087'Method of making a lithographic printing plate'20138,409,780'Negative working, heat-sensitive lithographic printing plate precursor'20138,377,629'Method for preparing lithographic printing plate precursors'20138,304,165'Negative working, heat-sensitive lithographic printing plate precursor'20128,232,043'Method of making a lithographic printing plate'20128,178,282'Heat-sensitive imaging element'20128,088,560'Method of making a lithographic printing plate'20128,088,561'Method of making a lithographic printing plate'20128,088,558'Method of making a lithographic printing plate'20127,923,193'Photopolymerizable composition'20117,767,382'Method of making a photopolymer printing plate'20107,749,683'Photopolymerizable composition'20107,439,537'Divinylfluorenes'20087,241,557'Photopolymerizable composition'20077,140,617'Sealing ring for an intake manifold'20067,080,766'Manufacture of singulated supports comprising arrays'20067,026,573'Methods for producing glass substrates for use in biopolymeric microarrays'20066,919,531'Methods for producing glass substrates for use in biopolymeric microarrays'20056,764,079'Valve seal assembly with straight-walled retainer'20044,282,750'Process for measuring the formation water pressure within an oil layer in a dipping reservoir'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2016Based in Fort Wayne, IN, US· patent location history
2005–2006Based in Palo Alto, CA, US· patent location history
2007–2013Patents assigned to AGFA GRAPHICS NV (16)· patent assignee history
2007–2013Based in Mortsel, BE· patent location history
2012–2013Patents assigned to WILLIAMSON ALEXANDER (11)· patent assignee history
2012–2013Patents assigned to CALLANT PAUL (5)· patent assignee history
2012–2013Patents assigned to ANDRIESSEN HIERONYMUS (4)· patent assignee history
2012–2013Patents assigned to VAN DAMME MARC (4)· patent assignee history
2020Based in Leo, IN, US· patent location history
2020Based in Hertfordshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGFA GRAPHICS NV162007–2013
WILLIAMSON ALEXANDERself112012–2013
CALLANT PAUL52012–2013
ANDRIESSEN HIERONYMUS42012–2013
VAN DAMME MARC42012–2013
Locations
LocationPatentsSpan
Mortsel, BE162007–2013
Fort Wayne, IN, US42004–2016
Palo Alto, California, US32005–2006
Leo, IN, US12020
Hertfordshire, GB12020