Inventor
Gerald E. Parker
Inventor
Eugene, OR, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B02Cprimary
B02CCrushing, pulverising, or disintegrating in general100%
PatentTitleYear
6,032,886'Adjustment for rock crusher'20005,971,306'Gyratory crusher having tramp iron relief system with an annular hydraulic manifold'19995,950,939'Cone crusher for rock'19995,944,265'Gyratory crusher having self-contained lubrication system'19995,875,981'Gyratory crusher having tramp iron relief system'19995,810,268'Gyratory crusher having easily removable mantel stud'19985,803,382'Gyratory crusher having corrugation-like-seal'19985,718,390'Gyratory crusher'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–1999Patents assigned to CEDARAPIDS INC (6)· patent assignee history
1998–2000Based in Eugene, OR, US· patent location history
1999–2000Patents assigned to JOHNSON CRUSHERS INTERNATIONAL (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CEDARAPIDS INC | 6 | 1998–1999 |
| JOHNSON CRUSHERS INTERNATIONAL | 2 | 1999–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eugene, OR, US | 8 | 1998–2000 |