Inventor
Edwin W. Dibrell
Inventor
San Antonio, TX, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Bprimary
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines43%
F25BRefrigeration machines, plants or systems29%
F01PCooling of machines or engines in general10%
F01CRotary-piston or oscillating-piston machines or engines5%
F01LCyclically operating valves for machines or engines5%
F04BPositive-displacement machines for liquids5%
G05DSystems for controlling or regulating non-electric variables5%
PatentTitleYear
4,754,612'Method for optimizing the mechanical output of a fluid pressure free piston engine'19884,586,426'Multi-cylinder piston engine and method of operation thereof'19864,520,632'Method and apparatus for extracting heat and mechanical energy from a pressured gas'19854,513,576'Gas pressure operated power source'19854,513,575'Centrifugal piston expander'19854,484,511'Piston'19844,449,379'Method and apparatus for extracting heat and mechanical energy from a pressured gas'19844,433,551'Method and apparatus for deriving mechanical energy from a heat source'19844,420,944'Air cooling system'19834,420,945'Method and apparatus for extracting energy from a pressured gas'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1988Patents assigned to CENTRIFUGAL PISTON EXPANDER (9)· patent assignee history
1983–1988Based in San Antonio, TX, US· patent location history
1984Patents assigned to CENTRIFUGAL PISTON EXPANDERS I (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CENTRIFUGAL PISTON EXPANDER | 9 | 1983–1988 |
| CENTRIFUGAL PISTON EXPANDERS I | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Antonio, Texas, US | 10 | 1983–1988 |