Inventor
Gerald P. Simmons
Inventor
Washington, IL, US
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles23%
E02FDredging13%
Y10TTechnical subjects covered by former us classification10%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles5%
B60TVehicle brake control systems or parts thereof5%
G02BOptical elements, systems or apparatus5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
B60WConjoint control of vehicle sub-units of different type or different function3%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like3%
F16HGearing3%
PatentTitleYear
7,441,613'Electric drive system with differential steering'20087,193,342'Apparatus for cooling of electrical devices'20076,892,837'Electric drive system with differential steering'20056,761,235'Machine frame assembly for a track-type machine'20046,655,482'Drive assembly for a track-type machine'20036,298,933'Equalizer bar stop assembly for limiting movement of the equalizer bar relative to the main frame of a track-type work machine'20016,139,458'Hydrostatic/direct drive transmission system and associated method'20006,086,142'Adjustable operator station for a work machine and an associated method for positioning an operator station relative to a cab floor of a work machine'2000H0001841'Air cooled engine enclosure system and apparatus'20005,758,932'Mental drive wheel for endless ground engaging drive belts'19985,507,360'Hydraulic system for dynamic braking and secondary steering system supply'19965,467,541'Electronic implement control'19955,438,887'Electro-hydraulic interlock system for a transmission'1995H0001318'Composite truck body floor'1994D0314388'Endless track work vehicle'19914,929,121'Control system for a road planer'19904,893,687'Mounting arrangement for a power train module of a vehicle'19904,817,746'Suspension mechanism for a track-type vehicle'19894,560,207'Method and apparatus for fragmenting asphalt'19854,541,497'Control mechanism for operating a tractor'19854,335,797'Noise suppression arrangement for engine enclosures'1982RE030769'Mounting arrangement for impact rock-breaker'19814,294,465'Operator\'s station and mounting'19814,193,467'Parking brake mounting'1980T0986006'Air circulation system/cab'19794,163,498'Tower assembly'19794,162,872'Lift arm assembly'19794,134,506'Material handling means for use in earthworking machines'19794,121,085'Gas nozzle for laser welding'19784,089,595'Mounting arrangement for right angle cassegranian telescope reflector system'19784,088,429'Spherical shot producing machine'19784,068,733'Control linkage for crossing pivotal joint'19784,064,769'Control pedal-mechanical speed with electrical direction control'19774,064,959'Steering arrangement for a double articulated wheel tractor'19774,057,332'Peripherally cooled laser lens assembly'19774,053,241'Chambered mirror construction for lasers'19773,990,595'Mounting arrangement for impact rock breaker'19763,975,984'Self aligning collect for machine tools'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to CATERPILLAR TRACTOR CO (18)· patent assignee history
1976–1985Based in Washington, IL, US· patent location history
1985–2008Based in Morton, IL, US· patent location history
1989–2008Patents assigned to CATERPILLAR INC (17)· patent assignee history
1990Patents assigned to CATERPILLAR PAVING PROD (1)· patent assignee history
2001Based in Peoria, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR TRACTOR CO | 18 | 1976–1985 |
| CATERPILLAR INC | 17 | 1989–2008 |
| CATERPILLAR PAVING PROD | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Washington, Illinois, US | 19 | 1976–1985 |
| Morton, Illinois, US | 18 | 1985–2008 |
| Peoria, Illinois, US | 1 | 2001 |