Inventor

Howard J. Troffkin

Inventor

Potomac, MD, US

Overview

1976–1994

Patent span

Chemistry

Primary field (CPC C)

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 energy17%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%

C08JWorking-up9%

C10LFuels not otherwise provided for9%

Y02PClimate change mitigation technologies in the production or processing of goods9%

B02CCrushing, pulverising, or disintegrating in general4%

C04BLime, magnesia4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

C08LCompositions of macromolecular compounds4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to US ARMY (2)· patent assignee history

1976–1979Based in Arlington, VA, US· patent location history

1983–1994Patents assigned to GRACE W R & CO (5)· patent assignee history

1983–1994Based in Potomac, MD, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GRACE W R & CO	5	1983–1994
US ARMY	2	1976–1979

Locations

Location	Patents	Span
Potomac, Maryland, US	5	1983–1994
Arlington, Virginia, US	2	1976–1979