Inventor
Robert D. Roley
Inventor
Peoria, IL, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles32%
F16JPistons14%
B60DVehicle connections9%
E02FDredging9%
B60LPropulsion of electrically-propelled vehicles5%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects5%
F02GHot gas or combustion-product positive-displacement engine plants5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
G01BMeasuring length, thickness or similar linear dimensions5%
G01FMeasuring volume, volume flow, mass flow or liquid level5%
PatentTitleYear
7,937,858'Hitch assembly and tractor scraper using same'20117,900,740'Method for adjusting a wheel axis of rotation of a scraper and actuation mechanism therefor'20116,822,347'Service control for work machine'20046,536,419'Method and apparatus for preheating of combustion air for an internal combustion engine'20034,392,657'Belleville spring loaded seal'19834,262,914'End face seal assembly'19814,257,621'Vehicle hitch and drawbar assembly'19814,195,852'End face seal assembly'19804,191,431'Track-type vehicle undercarriage and link assembly'19804,185,391'Sprocket wear template'19804,140,015'Bearing joint and method of measuring the fluid level therein'19794,120,537'Track link assembly having roller bushings'19784,099,795'Track-type vehicle undercarriage'19784,089,531'Crescent seal with reinforcing ring'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1983Patents assigned to CATERPILLAR TRACTOR CO (10)· patent assignee history
1978–1983Based in Peoria, IL, US· patent location history
2003–2011Patents assigned to CATERPILLAR INC (4)· patent assignee history
2003–2011Based in Windsor, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR TRACTOR CO | 10 | 1978–1983 |
| CATERPILLAR INC | 4 | 2003–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Peoria, Illinois, US | 10 | 1978–1983 |
| Windsor, Illinois, US | 4 | 2003–2011 |