Inventor
Darrel E. Zimmer
Inventor
North Park, IL, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F24Fprimary
F24FAir-conditioning22%
G05DSystems for controlling or regulating non-electric variables22%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing11%
E05FDevices for moving wings into open or closed position11%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof11%
G01RMeasuring electric variables11%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%
PatentTitleYear
10,918,899Repositioning point of actuation for an exercise appliance20214,544,866'Remote window operating system'19854,146,836'Power monitor'19794,013,118'Control of heating and cooling available from central sources to a multi-zone temperature controlled space'19773,933,197'Control of heating and cooling available from central sources to a multi-zone temperature controlled space'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1979Patents assigned to BARBER COLMAN CO (3)· patent assignee history
1976–1979Based in North Park, IL, US· patent location history
1985Patents assigned to AMEROCK CORP (1)· patent assignee history
1985Based in Rockford, IL, US· patent location history
2021Patents assigned to TONAL SYSTEMS INC (1)· patent assignee history
2021Based in Pacifica, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BARBER COLMAN CO | 3 | 1976–1979 |
| AMEROCK CORP | 1 | 1985 |
| TONAL SYSTEMS INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| North Park, Illinois, US | 3 | 1976–1979 |
| Pacifica, California, US | 1 | 2021 |
| Rockford, Illinois, US | 1 | 1985 |