Inventor
Robert K. Havemann
Inventor
Bloomington, MN, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems16%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles11%
F02BInternal-combustion piston engines11%
F02DControlling combustion engines11%
Y10TTechnical subjects covered by former us classification11%
F01MLubricating of machines or engines in general5%
F04BPositive-displacement machines for liquids5%
F04DNon-positive-displacement pumps5%
F16DCouplings for transmitting rotation5%
F16NLubricating5%
PatentTitleYear
5,074,329'Three-way valve for a refrigeration system'19915,046,326'Transport refrigeration system'19914,960,088'Low fuel shut-off system'19904,932,841'Combination oil pressure regulator and low oil pressure detector for refrigerant compressor'19904,890,459'Monitor for refrigeration system'19904,770,002'Transport refrigeration system'19884,616,743'Centrifugal clutch particularly useful in transport refrigeration unit'19864,329,957'Engine control'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1991Patents assigned to THERMO KING CORP (8)· patent assignee history
1982–1991Based in Bloomington, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THERMO KING CORP | 8 | 1982–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bloomington, Minnesota, US | 8 | 1982–1991 |