Inventor

John L. Halpin

Inventor
Pointe-Claire, CA

Overview

4→
Patents
1988–2004
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F23Rprimary
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers50%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to UNITED KINGDOM GOVERNMENT (1)· patent assignee history
1988Based in Ste-Foy, CA· patent location history
1992Patents assigned to CA MINISTER NAT DEFENCE (1)· patent assignee history
1992Based in Quebec, CA· patent location history
2003–2004Patents assigned to GEN ELECTRIC (2)· patent assignee history
2003–2004Based in Pointe-Claire, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC22003–2004
CA MINISTER NAT DEFENCE11992
UNITED KINGDOM GOVERNMENT11988
Locations
LocationPatentsSpan
Pointe-Claire, CA22003–2004
Quebec, CA11992
Ste-Foy, CA11988