Inventor · disambiguated record
Johannes B. Groenewegen
Also filed as: GROENEWEGEN JOHANNES B
5 granted patents·360 citations·filing 1981–1993
85Inventor score
Top patents by PatentIndex Score
5 records- 0196US4694119AHeat shielded memory unit for an aircraft flight data recorderSUNDSTRAND DATA CONTROL·Filed 1984·Granted Sep 15, 1987·109 cites·4 claims
- 0293US4944401ACrash survivable enclosure for flight recorderSUNDSTRAND DATA CONTROL·Filed 1989·Granted Jul 31, 1990·141 cites·68 claims
- 0388US5123538ACrash protection enclosure for solid state memory devicesSUNDSTRAND CORP·Filed 1991·Granted Jun 23, 1992·80 cites·23 claims
- 0459US5407505AMethod of encapsulating temperature sensitive devices in wax-like material having a high coefficient of fusionALLIED SIGNAL INC·Filed 1993·Granted Apr 18, 1995·24 cites·24 claims
- 0549US4422598AExtreme temperature tape recorder drive beltSUNDSTRAND DATA CONTROL·Filed 1981·Granted Dec 27, 1983·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →