Inventor · disambiguated record
Karl-Erik Berkestad
Also filed as: BERKESTAD KARL-ERIK
4 granted patents·57 citations·filing 1974–1978
77Inventor score
Top patents by PatentIndex Score
4 records- 0164US4339249AHeat exchanger for recovery of heat energy from dust-containing waste gasesSTAL LAVAL APPARAT AB·Filed 1978·Granted Jul 13, 1982·20 cites·7 claims
- 0258US3944221AResistance device for a gymnastics apparatusBERKESTAD KARL ERIK·Filed 1974·Granted Mar 16, 1976·23 cites·9 claims
- 0337US4230177AHeat exchange with separately supported and separately removable tubular coilsSTAL LAVAL APPARAT AB·Filed 1978·Granted Oct 28, 1980·8 cites·15 claims
- 0423US3940338ALifting vehicle having a control member adjustable into three different positionsBYGG OCH TRANSPORTEKONOMIE AB·Filed 1975·Granted Feb 24, 1976·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →