Inventor
Robert W. Clark, Jr.
Inventor
Phoenix, AZ, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems38%
B01DSeparation13%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]13%
F02GHot gas or combustion-product positive-displacement engine plants6%
F03GSpring, weight, inertia or like motors6%
F16KValves6%
H04KSecret communication6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,315,158Centrifugal air separators20199,610,525'Centrifugal air separators'20175,031,192'Synthetic demodulation of spread spectrum signals'19914,901,757'One way valve'19904,617,801'Thermally powered engine'19864,537,037'Thermally powered heat transfer systems utilizing sequential displacement'19854,450,690'Thermally powered, gravitationally assisted heat transfer systems'19844,418,547'Thermally powered heat transfer systems'19834,157,014'Differential pressure system for generating power'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1986Patents assigned to CLARK ROBERT W JR (2)· patent assignee history
1979–1990Based in Phoenix, AZ, US· patent location history
1983Patents assigned to SAINT E COMPANY INC (1)· patent assignee history
1984–1990Patents assigned to CLARK JR ROBERT W (3)· patent assignee history
1991Patents assigned to US AIR FORCE (1)· patent assignee history
1991Based in Centerville, OH, US· patent location history
2017–2019Patents assigned to BOEING CO (2)· patent assignee history
2017–2019Based in Friendswood, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARK JR ROBERT Wself | 3 | 1984–1990 |
| BOEING CO | 2 | 2017–2019 |
| CLARK ROBERT W JR | 2 | 1979–1986 |
| SAINT E COMPANY INC | 1 | 1983 |
| US AIR FORCE | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Phoenix, AZ, US | 6 | 1979–1990 |
| Friendswood, Texas, US | 2 | 2017–2019 |
| Centerville, OH, US | 1 | 1991 |