Inventor
Howard A. Marsden
Inventor
Pekin, IL, US
Overview
Patents· 14 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 general25%
E02FDredging21%
Y10TTechnical subjects covered by former us classification18%
B62DMotor vehicles11%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
F16HGearing7%
F04BPositive-displacement machines for liquids4%
G05BControl or regulating systems in general4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
5,348,115'Cruise control for hydraulically driven vehicle'19945,305,681'Hydraulic control apparatus'19945,299,420'Redundant control system for a work vehicle'19945,267,441'Method and apparatus for limiting the power output of a hydraulic system'19935,261,234'Hydraulic control apparatus'19935,249,639'Steering control arrangement'19935,182,908'Control system for integrating a work attachment to a work vehicle'19934,736,811'Steering control system'19884,250,794'High pressure hydraulic system'19814,206,688'Overrunning load control for hydraulic motors'19804,126,083'Attitude control for implement'19784,102,425'Front wheel drive system for a vehicle'19784,029,166'Final sprocket drive for track-type vehicles'19773,972,267'Overruning load control for hydraulic jacks'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1981Patents assigned to CATERPILLAR TRACTOR CO (6)· patent assignee history
1976–1994Based in Pekin, IL, US· patent location history
1988–1994Patents assigned to CATERPILLAR INC (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 8 | 1988–1994 |
| CATERPILLAR TRACTOR CO | 6 | 1976–1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pekin, Illinois, US | 14 | 1976–1994 |