Inventor

Paul W. Jeffrey

Inventor
Kingston, CA

Overview

7→
Patents
1982–2003
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C22Cprimary
C22CAlloys33%
Y10TTechnical subjects covered by former us classification20%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys13%
B22DCasting of metals7%
F02FCylinders, pistons or casings, for combustion engines7%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to ALCAN RES & DEV (1)· patent assignee history
1982–2003Based in Kingston, CA· patent location history
1986–2003Patents assigned to ALCAN INT LTD (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCAN INT LTD61986–2003
ALCAN RES & DEV11982
Locations
LocationPatentsSpan
Kingston, CA71982–2003