Inventor
Thomas Richardson
Inventor
Chicago, IL, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling25%
LOC1025%
F16KValves13%
F24FAir-conditioning13%
LOC1313%
LOC1513%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1995Patents assigned to G R OSTERLAND COMPANY (2)· patent assignee history
1994–1995Based in Cleveland, OH, US· patent location history
2019–2021Patents assigned to JOHNSON CONTROLS TECH CO (5)· patent assignee history
2019–2021Based in Chicago, IL, US· patent location history
2021Patents assigned to Johnson Controls Tyco IP Holdings LLP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOHNSON CONTROLS TECH CO | 5 | 2019–2021 |
| G R OSTERLAND COMPANY | 2 | 1994–1995 |
| Johnson Controls Tyco IP Holdings LLP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chicago, Illinois, US | 5 | 2019–2021 |
| Cleveland, OH, US | 2 | 1994–1995 |