Assignee
JOHNSON DAVID E
8 granted patents·1 pending application·239 citations·filing 1980–2009
Top patents by PatentIndex Score
9 records- 0195US8140323B2Method and system for extracting information from unstructured text using symbolic machine learningJOHNSON DAVID E·Filed 2009·Granted Mar 20, 2012·48 cites·16 claims
- 0291US4653269AHeat engineJOHNSON DAVID E·Filed 1985·Granted Mar 31, 1987·63 cites·20 claims
- 0382US4407496ALimb exercise deviceJOHNSON DAVID E·Filed 1981·Granted Oct 4, 1983·57 cites·9 claims
- 0481USD583974SMotion-sensing security light and alarmJOHNSON DAVID E·Filed 2008·Granted Dec 30, 2008·27 cites·1 claims
- 0566US4369623APositive displacement engine with separate combustion chamberJOHNSON DAVID E·Filed 1980·Granted Jan 25, 1983·20 cites·11 claims
- 0658USD310772SMulti-vial level attachment for hand-held drillsJOHNSON DAVID E·Filed 1986·Granted Sep 25, 1990·8 cites·1 claims
- 0752US2008179416A1Modulation control of a hydronic heating systemJOHNSON DAVID E·Filed 2007·Application pending·0 cites
- 0850USD522063SSleeve label for a plant containerJOHNSON DAVID E·Filed 2004·Granted May 30, 2006·7 cites·1 claims
- 0949US4492175ASail boom tentJOHNSON DAVID E·Filed 1982·Granted Jan 8, 1985·9 cites·9 claims
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