Inventor
Louis G. Alster
Inventor
Morton, IL, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Bprimary
A01BSoil working in agriculture or forestry9%
B23KSoldering or unsoldering9%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling9%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles9%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects9%
E02FDredging9%
F41GWeapon sights9%
G01BMeasuring length, thickness or similar linear dimensions9%
G01CMeasuring distances, levels or bearings9%
Y02TClimate change mitigation technologies related to transportation9%
PatentTitleYear
7,152,705'Dual engine electric drive system'20066,460,260'Mobile cruiser machine for forestry applications'20026,360,166'Apparatus and method for removing logs from a forestry site'20026,141,614'Computer-aided farming system and method'20005,905,968'Method and apparatus for controlling an earthworking implement to preserve a crown on a road surface'19994,772,028'Electronic shootout game'19884,650,334'Optical straightness gauge and method'19874,614,868'Fiber optic seam tracking apparatus'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2006Patents assigned to CATERPILLAR INC (5)· patent assignee history
1986–2006Based in Morton, IL, US· patent location history
1988Patents assigned to ALSTER LOUIS G (1)· patent assignee history
1988Patents assigned to ROCKHOLD CHRISTOPHER K (1)· patent assignee history
2002Patents assigned to CATERPILAR INC (1)· patent assignee history
2002Patents assigned to CATERPILLAR LNC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 5 | 1986–2006 |
| ALSTER LOUIS Gself | 1 | 1988 |
| CATERPILAR INC | 1 | 2002 |
| CATERPILLAR LNC | 1 | 2002 |
| ROCKHOLD CHRISTOPHER K | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Morton, Illinois, US | 8 | 1986–2006 |