Inventor
Reynold F. Durre
Inventor
Stevens Point, WI, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation53%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
Y10TTechnical subjects covered by former us classification21%
B04CApparatus using free vortex flow, e.g. cyclones5%
PatentTitleYear
6,998,045'Spin-on filter including improved sealing arrangement and filter head therefor'20066,922,894'Spin-on filter including improved seal arrangement and methods'20056,823,996'Spin-on filter including improved seal arrangement and methods'20046,345,721'Filter element including a baffle plate and end cap adhesively bonded thereto'20026,206,205'Pleated filter and support tube therefor'20014,969,994'Seal arrangement for fluid filters and method'19904,834,885'Seal arrangement for fluid filters'19894,746,340'Air cleaner apparatus'19884,704,144'Air filtering apparatus'19874,187,091'Pleated paper filter cartridge'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2006Patents assigned to DONALDSON CO INC (10)· patent assignee history
1980Based in Minneapolis, MN, US· patent location history
1987–1990Based in Eden Prairie, MN, US· patent location history
2001–2006Based in Stevens Point, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DONALDSON CO INC | 10 | 1980–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stevens Point, WI, US | 5 | 2001–2006 |
| Eden Prairie, Minnesota, US | 4 | 1987–1990 |
| Minneapolis, Minnesota, US | 1 | 1980 |