Hendrik Dolfsma

Person

Nieuwegein, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Process and device for detecting defects in moving parts having a c...
- Patent number 5,083,462
- Issue date Jan 28, 1992
- SKF Industrial Trading & Development Co.
- Karel N. Vermeiren
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for testing balls with the use of eddy currents
- Patent number 5,008,623
- Issue date Apr 16, 1991
- SKF Industrial Trading and Development Company BV
- Hendrik Dolfsma
- G01 - MEASURING TESTING
Information Patent Grant
Shaft bearing assembly
- Patent number 4,854,748
- Issue date Aug 8, 1989
- SKF Industrial Trading and Development Co. B.V.
- Antonio Gabelli
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rolling bearing assembly
- Patent number 4,820,061
- Issue date Apr 11, 1989
- SKF Industrial Trading and Development Company
- Hendrik Dolfsma
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Measuring system for measuring the variation of the capacitive impe...
- Patent number 4,511,837
- Issue date Apr 16, 1985
- SKF Industrial Trading & Development Co., B.V.
- Karel N. Vermeiren
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device for measuring the lubrication of surfaces rolling or sliding...
- Patent number 4,345,203
- Issue date Aug 17, 1982
- SKF Industrial Trading & Development Company, B.V.
- Karel N. Vermeiren
- G01 - MEASURING TESTING

Hendrik Dolfsma

Person

Patents Grantslast 30 patents

Process and device for detecting defects in moving parts having a c...

Method and apparatus for testing balls with the use of eddy currents

Shaft bearing assembly

Rolling bearing assembly

Measuring system for measuring the variation of the capacitive impe...

Device for measuring the lubrication of surfaces rolling or sliding...