Inventor

Edward A. Rothman

Inventor

South Glastonbury, CT, US

Overview

6→

Patents

1977–2009

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 6 as inventor

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

F04Dprimary

F04DNon-positive-displacement pumps13%

Y10TTechnical subjects covered by former us classification13%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

B64CAeroplanes7%

C22CAlloys7%

E04CStructural elements7%

F01DNon-positive displacement machines or engines, e.g. steam turbines7%

F03DWind motors7%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g7%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants7%

PatentTitleYear

7,473,049'Ceramic-to-metal shaft assembly'2009 4,730,985'Prop-fan with improved stability'1988 4,356,678'Composite structure'1982 4,236,873'Wind turbine blade retention device'1980 4,111,600'Breakaway fan blade'1978 4,010,884'Method of fabricating a filament-reinforced composite article'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1988Patents assigned to UNITED TECHNOLOGIES CORP (5)· patent assignee history

1977–2009Based in South Glastonbury, CT, US· patent location history

2009Patents assigned to HAMILTON SUNDSTRAND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNITED TECHNOLOGIES CORP	5	1977–1988
HAMILTON SUNDSTRAND	1	2009

Locations

Location	Patents	Span
South Glastonbury, CT, US	6	1977–2009