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Inventor

John C. Hart

Inventor
Sheffield, GB

Overview

5→
Patents
1976–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F15Bprimary
F15BSystems acting by means of fluids in general22%
F16KValves22%
G06TImage data processing or generation, in general22%
Y10TTechnical subjects covered by former us classification22%
B63BShips or other waterborne vessels11%
PatentTitleYear
10,994,814Retrofittable seat assembly20217,365,744'Methods and systems for image modification'20086,788,304'Method and system for antialiased procedural solid texturing'20044,021,016'Valves'19773,952,996'Valves'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to BRIDON ENGINEERING LTD (2)· patent assignee history
1976–1977Based in Sheffield, GB· patent location history
2004Patents assigned to EVANS & SUTHERLAND COMPUTER CO (1)· patent assignee history
2004Based in Pullman, WA, US· patent location history
2008Patents assigned to UNIV ILLINOIS (1)· patent assignee history
2008Based in Champaign, IL, US· patent location history
2021Patents assigned to HART JEFFREY K (1)· patent assignee history
2021Based in Lake Tapps, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIDON ENGINEERING LTD21976–1977
EVANS & SUTHERLAND COMPUTER CO12004
HART JEFFREY Kself12021
UNIV ILLINOIS12008
Locations
LocationPatentsSpan
Sheffield, GB21976–1977
Lake Tapps, Washington, US12021
Champaign, Illinois, US12008
Pullman, Washington, US12004