Assignee
TECHNOLOGY DEV CORP
US·9 granted patents·200 citations·filing 1974–1995
Top patents by PatentIndex Score
9 records- 0186US4207568AUnderwater communications systemTECHNOLOGY DEV CORP·Filed 1978·Granted Jun 10, 1980·44 cites·17 claims
- 0279US5392721AMethod for recycling papermaking sludgeTECHNOLOGY DEV CORP·Filed 1994·Granted Feb 28, 1995·27 cites·10 claims
- 0379US5018459AMethod and apparatus for recycling paper pulp sludgeTECHNOLOGY DEV CORP·Filed 1989·Granted May 28, 1991·33 cites·4 claims
- 0470US5054406AWater retardant covering material for solid waste landfillsTECHNOLOGY DEV CORP·Filed 1990·Granted Oct 8, 1991·25 cites·9 claims
- 0567US4119797AVoice operated switch having an activation level which is higher than its sustaining levelTECHNOLOGY DEV CORP·Filed 1977·Granted Oct 10, 1978·20 cites·3 claims
- 0655US4123622AProtective cover for sound transducers located in face masks of diversTECHNOLOGY DEV CORP·Filed 1977·Granted Oct 31, 1978·19 cites·5 claims
- 0753US5610936AExtended multiply folded optical pathsTECHNOLOGY DEV CORP·Filed 1995·Granted Mar 11, 1997·21 cites·17 claims
- 0839US3959711APulse width modulated power suppliesTECHNOLOGY DEV CORP·Filed 1974·Granted May 25, 1976·6 cites·8 claims
- 0925US5006054ALow density heat resistant intermetallic alloys of the Al3 Ti typeTECHNOLOGY DEV CORP·Filed 1989·Granted Apr 9, 1991·5 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →