Inventor · disambiguated record
Hendrik Dolfsma
Also filed as: DOLFSMA HENDRIK
6 granted patents·83 citations·filing 1980–1990
83Inventor score
Files withSKF IND TRADING & DEV6
Top patents by PatentIndex Score
6 records- 0189US4511837AMeasuring system for measuring the variation of the capacitive impedance of a bearing installed in a housingSKF IND TRADING & DEV·Filed 1982·Granted Apr 16, 1985·44 cites·19 claims
- 0250US4854748AShaft bearing assemblySKF IND TRADING & DEV·Filed 1988·Granted Aug 8, 1989·14 cites·6 claims
- 0345US4345203ADevice for measuring the lubrication of surfaces rolling or sliding relative to each other and lubricated with a lubricantSKF IND TRADING & DEV·Filed 1980·Granted Aug 17, 1982·11 cites·11 claims
- 0433US4820061ARolling bearing assemblySKF IND TRADING & DEV·Filed 1988·Granted Apr 11, 1989·5 cites·7 claims
- 0532US5083462AProcess and device for detecting defects in moving parts having a central rotating shaftSKF IND TRADING & DEV·Filed 1989·Granted Jan 28, 1992·8 cites·7 claims
- 0619US5008623AMethod and apparatus for testing balls with the use of eddy currentsSKF IND TRADING & DEV·Filed 1990·Granted Apr 16, 1991·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →