Inventor
Keith H. Carpenter
Inventor
Kettering, OH, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F23Gprimary
F23GCremation furnaces13%
H02KDynamo-electric machines13%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for8%
C04BLime, magnesia8%
F23KFeeding fuel to combustion apparatus8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
B09BDisposal of solid waste not otherwise provided for4%
F16CShafts4%
F16FSprings4%
F16HGearing4%
PatentTitleYear
9,865,383'Systems and methods for activation of trapped field magnets'20187,783,100'Method and apparatus for inspecting and analyzing welded structures'20105,417,169'Apparatus for removing viscous material from barrels'19955,284,405'Method and apparatus for injecting sludge into a kiln'19945,076,179'Method and apparatus for injecting sludge into a kiln'19914,742,257'Totally enclosed fan cooled induction motor with improved cooling'19884,642,502'Dynamoelectric machine with permanent magnet and magnet mounting surface arrangement'19874,520,908'Pressure balanced valve for adjustable hydraulic damper'19854,452,541'Motor armature shaft endplay reduction apparatus'19844,431,954'Motor vehicle windshield wiper apparatus with storm pattern'19844,248,383'Washer system for transparent surfaces on a vehicle'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1988Patents assigned to GEN MOTORS CORP (6)· patent assignee history
1981–1991Based in Kettering, OH, US· patent location history
1991–1995Patents assigned to SYSTECH ENVIRONMENTAL CORP (3)· patent assignee history
1994Based in Centerville, OH, US· patent location history
1995Based in Hilton Head Island, SC, US· patent location history
2010Patents assigned to TOPY AMERICA INC (1)· patent assignee history
2010Based in Nicholasville, KY, US· patent location history
2018Patents assigned to NAT OILWELL VARCO LP (1)· patent assignee history
2018Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 6 | 1981–1988 |
| SYSTECH ENVIRONMENTAL CORP | 3 | 1991–1995 |
| NAT OILWELL VARCO LP | 1 | 2018 |
| TOPY AMERICA INC | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kettering, OH, US | 7 | 1981–1991 |
| Houston, Texas, US | 1 | 2018 |
| Nicholasville, KY, US | 1 | 2010 |
| Hilton Head Island, SC, US | 1 | 1995 |
| Centerville, OH, US | 1 | 1994 |