Inventor
William C. Shelbourn
Inventor
Bismarck, ND, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F15Bprimary
F15BSystems acting by means of fluids in general15%
F16KValves15%
Y10TTechnical subjects covered by former us classification15%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for10%
E02FDredging10%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles5%
B60NSeats specially adapted for vehicles5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
F16CShafts5%
F16JPistons5%
PatentTitleYear
9,010,364'Combination relief valve and injection fitting'20157,631,591'Two stage spool centering mechanism'20097,481,052'Fluid circuit with multiple flows from a series valve'20097,367,739'Two component seal'20087,059,238'Method and apparatus for stroke position sensor for hydraulic cylinder'20065,577,876'Hydraulic interblock system'19964,881,371'Auxiliary coupler pressure relief hydraulic system with pump drive ignition switch relief'19894,522,373'Valve detent'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2015Patents assigned to CLARK EQUIPMENT CO (8)· patent assignee history
1985–2015Based in Bismarck, ND, US· patent location history
1996Based in Bismark, ND, US· patent location history
2015Patents assigned to SCHUH SCOTT N (1)· patent assignee history
2015Patents assigned to SHELBOURN WILLIAM C (1)· patent assignee history
2015Patents assigned to TOKACH THOMAS J (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARK EQUIPMENT CO | 8 | 1985–2015 |
| SCHUH SCOTT N | 1 | 2015 |
| SHELBOURN WILLIAM Cself | 1 | 2015 |
| TOKACH THOMAS J | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bismarck, ND, US | 7 | 1985–2015 |
| Bismark, ND, US | 1 | 1996 |