Inventor

Robert A. Lewis

Inventor

Berkeley, CA, US

Overview

1977–2011

Patent span

Chemistry

Primary field (CPC C)

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

C10Lprimary

C10LFuels not otherwise provided for14%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%

C10MLubricating compositions9%

F02BInternal-combustion piston engines9%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions7%

C08LCompositions of macromolecular compounds6%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%

LOC314%

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

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–2000Patents assigned to LEWIS ROBERT A (2)· patent assignee history

1979–1982Patents assigned to CHEVRON RES (11)· patent assignee history

1979–1982Based in Berkeley, CA, US· patent location history

1996Patents assigned to Dacor (2)· patent assignee history

1996–2003Based in Alta Loma, CA, US· patent location history

1998–2003Patents assigned to DISTINCTIVE APPLIANCES INC (5)· patent assignee history

2006–2011Patents assigned to VOLUMATIC LTD (2)· patent assignee history

2006Based in Leicestershire, GB· patent location history

2008Based in Casselbery, FL, US· patent location history

2011Based in Rearsby, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations