Inventor
William C. Larson
Inventor
Bloomington, MN, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling56%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof22%
F16FSprings11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
D0350634'Disposable trash liner with elastic bands'19944,402,551'Method and apparatus to complete horizontal drain holes'19834,396,230'Multiple branch well containing one producer and one injector well'19834,396,075'Multiple branch completion with common drilling and casing template'19834,391,245'Pressure operated three-position throttle stop assembly'19834,249,777'Method of in situ mining'19814,222,611'In-situ leach mining method using branched single well for input and output'19804,161,241'Dashpot apparatus including a flexible diaphragm piston'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1983Patents assigned to COLT IND OPERATING CORP (2)· patent assignee history
1979–1983Based in Rochester, MI, US· patent location history
1980–1983Based in Bloomington, MN, US· patent location history
1983Patents assigned to DAREING DONALD W (3)· patent assignee history
1983Patents assigned to LARSON WILLIAM C (3)· patent assignee history
1983Patents assigned to SNYDER ROBERT (3)· patent assignee history
1983Patents assigned to WOOD EDWARD T (3)· patent assignee history
1994Based in Keizer, OR, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAREING DONALD W | 3 | 1983 |
| LARSON WILLIAM Cself | 3 | 1983 |
| SNYDER ROBERT | 3 | 1983 |
| WOOD EDWARD T | 3 | 1983 |
| COLT IND OPERATING CORP | 2 | 1979–1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bloomington, Minnesota, US | 5 | 1980–1983 |
| Rochester, MI, US | 2 | 1979–1983 |
| Keizer, OR, US | 1 | 1994 |