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Inventor

Thomas F. Rothwell

Inventor
Bradford, PA, US

Overview

3→
Patents
1978–1982
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Kprimary
F16KValves60%
Y10TTechnical subjects covered by former us classification40%
PatentTitleYear
4,345,961'Corrosion resistant valve construction'19824,303,094'Corrosion resistant valve construction'19814,082,246'Butterfly valve thruport seal'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1982Patents assigned to DRESSER IND (3)· patent assignee history
1978–1982Based in Bradford, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DRESSER IND31978–1982
Locations
LocationPatentsSpan
Bradford, Pennsylvania, US31978–1982