Assignee
RANK TAYLOR HOBSON LTD
GB·18 granted patents·591 citations·filing 1986–1995
Top patents by PatentIndex Score
18 records- 0191US5063291AOptical grating with interpolator having multiplying means to produce quadrature signalsRANK TAYLOR HOBSON LTD·Filed 1990·Granted Nov 5, 1991·85 cites·16 claims
- 0290US5150314AMetrological apparatus and calibration method thereforRANK TAYLOR HOBSON LTD·Filed 1990·Granted Sep 22, 1992·98 cites·21 claims
- 0388US4807152AMetrological apparatusRANK TAYLOR HOBSON LTD·Filed 1987·Granted Feb 21, 1989·94 cites·38 claims
- 0484US4731934AWorkpiece position controlRANK TAYLOR HOBSON LTD·Filed 1987·Granted Mar 22, 1988·38 cites·17 claims
- 0580US5517307AProbe measurement apparatus using a curved grating displacement interferometerRANK TAYLOR HOBSON LTD·Filed 1992·Granted May 14, 1996·47 cites·44 claims
- 0680US4903413ASurface profile measurement of workpiecesRANK TAYLOR HOBSON LTD·Filed 1987·Granted Feb 27, 1990·68 cites·14 claims
- 0769US5488476AApparatus and method using optical diffraction to measure surface roughnessRANK TAYLOR HOBSON LTD·Filed 1994·Granted Jan 30, 1996·34 cites·66 claims
- 0862US4798006AVibration isolation meansRANK TAYLOR HOBSON LTD·Filed 1987·Granted Jan 17, 1989·22 cites·24 claims
- 0960US4786176AMetrological apparatus and method using polarization modulationRANK TAYLOR HOBSON LTD·Filed 1987·Granted Nov 22, 1988·23 cites·21 claims
- 1052US4794289ABearing structuresRANK TAYLOR HOBSON LTD·Filed 1986·Granted Dec 27, 1988·12 cites·15 claims
- 1145US5572798AMetrological apparatusRANK TAYLOR HOBSON LTD·Filed 1993·Granted Nov 12, 1996·13 cites·40 claims
- 1243US4807164AApparatus for measuring and controlling velocityRANK TAYLOR HOBSON LTD·Filed 1986·Granted Feb 21, 1989·10 cites·21 claims
- 1339US4825557AMetrological apparatus with protective housing and automatic actuationRANK TAYLOR HOBSON LTD·Filed 1987·Granted May 2, 1989·11 cites·32 claims
- 1438US5579108ASystem and method for detecting the angle of a light beam using a mask with a transmissivity patternRANK TAYLOR HOBSON LTD·Filed 1993·Granted Nov 26, 1996·13 cites·11 claims
- 1537US5620286AFlycutting machine for manufacturing printed circuit boardsRANK TAYLOR HOBSON LTD·Filed 1994·Granted Apr 15, 1997·7 cites·32 claims
- 1636US5847270AStylus attachment for a metrological instrumentRANK TAYLOR HOBSON LTD·Filed 1995·Granted Dec 8, 1998·6 cites·41 claims
- 1733US4823000AApparatus for indicating the value of a variableRANK TAYLOR HOBSON LTD·Filed 1987·Granted Apr 18, 1989·4 cites·15 claims
- 1831US5422555AApparatus and method for establishing a reference signal with an LVDTRANK TAYLOR HOBSON LTD·Filed 1993·Granted Jun 6, 1995·6 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →