Inventor

Ralph E. Williford

Inventor

Kennewick, WA, US

Overview

1989–2021

Patent span

Performing operations

Primary field (CPC B)

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

H01Mprimary

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%

B01DSeparation7%

B23GThread cutting7%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling7%

C04BLime, magnesia7%

C23CCoating metallic material7%

F02FCylinders, pistons or casings, for combustion engines7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

G02BOptical elements, systems or apparatus7%

G05BControl or regulating systems in general7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–2014Patents assigned to BATTELLE MEMORIAL INSTITUTE (5)· patent assignee history

1989–2012Based in Kennewick, WA, US· patent location history

2012–2013Patents assigned to WILLIFORD RALPH E (2)· patent assignee history

2012Patents assigned to BENNETT WENDY D (1)· patent assignee history

2013–2014Based in Richland, WA, US· patent location history

2021Patents assigned to FORD GLOBAL TECH LLC (1)· patent assignee history

2021Patents assigned to FORD MOTOR CO (1)· patent assignee history

2021Based in Howell, MI, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BATTELLE MEMORIAL INSTITUTE	5	1989–2014
WILLIFORD RALPH Eself	2	2012–2013
BENNETT WENDY D	1	2012
FORD GLOBAL TECH LLC	1	2021
FORD MOTOR CO	1	2021

Locations