Inventor
Dennis L. Otto
Inventor
Malvern, OH, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Cprimary
F16CShafts37%
F16JPistons29%
B21BRolling of metal10%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles8%
B60BVehicle wheels5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%
B60GVehicle suspension arrangements2%
F01PCooling of machines or engines in general2%
LOC122%
PatentTitleYear
6,050,570'Seal with bi-modulus lip'2000D0400124'Truck body'19985,813,675'Multibarrier seal'19985,722,664'Seal with pumping capabilities'19985,553,870'Lip seal separating oil and grease'19965,470,157'Bearing seal for sensing angular velocity'19955,458,420'Bearing seal with encoder'19955,454,647'Seal for package bearing'19955,129,744'Two component bearing seal with bumpers'19925,118,206'Cone bore seal'19925,024,449'Seal assembly for use with an overhang'19915,022,659'Seal assembly for antifriction bearings'19914,960,335'Unitary enclosure and cover therefor'19904,819,949'Shielded seal assembly'19894,808,012'Flap seal for anti-friction bearings'19894,799,808'Compact seal'19894,770,424'Compact labyrinth-type seal'19884,770,548'Hydrodynamic seal'19884,616,836'Reverse lip positive venting seal'19864,556,225'Reverse lip positive venting seal'19854,448,461'Self-venting seal'19844,427,242'Unitized tapered roller bearing'19844,399,998'Self-venting seal lip'19834,325,591'Sealed and unitized bearing'19824,043,620'Rib-mounted bearing seal'19773,937,539'Bearing assembly having press-fitted thrust ribs'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2000Patents assigned to TIMKEN CO (21)· patent assignee history
1976–2000Based in Malvern, OH, US· patent location history
1984Patents assigned to ATLANTIC RICHFIELD CO (1)· patent assignee history
1985–1986Patents assigned to CHICAGO RAWHIDE MFG CO (2)· patent assignee history
1990–1995Based in Carroll, OH, US· patent location history
1992Patents assigned to OTTO DENNIS L (1)· patent assignee history
1998Patents assigned to ELGIN SWEEPER CO (1)· patent assignee history
1998Based in Elkhart, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TIMKEN CO | 21 | 1976–2000 |
| CHICAGO RAWHIDE MFG CO | 2 | 1985–1986 |
| ATLANTIC RICHFIELD CO | 1 | 1984 |
| ELGIN SWEEPER CO | 1 | 1998 |
| OTTO DENNIS Lself | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Malvern, OH, US | 22 | 1976–2000 |
| Carroll, OH, US | 3 | 1990–1995 |
| Elkhart, IN, US | 1 | 1998 |