Inventor

Richard L. Hummel

Inventor

Toronto, CA

Overview

1978–1995

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

Y02Eprimary

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%

F24SSolar heat collectors17%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals8%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals8%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978–1982Patents assigned to HUMMEL RICHARD L (2)· patent assignee history

1978–1995Based in Toronto, CA· patent location history

1995Patents assigned to MATERIALS CONCEPTS RES LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HUMMEL RICHARD Lself	2	1978–1982
MATERIALS CONCEPTS RES LTD	1	1995

Locations

Location	Patents	Span
Toronto, CA	3	1978–1995