Assignee
SIRA LTD
GB·9 granted patents·220 citations·filing 1985–1990
Top patents by PatentIndex Score
9 records- 0181US4963018ARanging apparatusSIRA LTD·Filed 1989·Granted Oct 16, 1990·41 cites·8 claims
- 0280US4861984ASurface inspection or ranging apparatus with image derotationSIRA LTD·Filed 1987·Granted Aug 29, 1989·32 cites·12 claims
- 0380US4845356AApparatus and method for surface inspection with test and reference channel comparisonSIRA LTD·Filed 1988·Granted Jul 4, 1989·41 cites·20 claims
- 0476US4861164AApparatus for separating specular from diffuse radiationSIRA LTD·Filed 1988·Granted Aug 29, 1989·35 cites·18 claims
- 0566US4737650AInspection apparatusSIRA LTD·Filed 1987·Granted Apr 12, 1988·26 cites·11 claims
- 0654US4592684AMethod and apparatus for producing aspherical surfacesSIRA LTD·Filed 1985·Granted Jun 3, 1986·16 cites·5 claims
- 0743US4851696AApparatus for receiving radiation only within predetermined angular limitsSIRA LTD·Filed 1987·Granted Jul 25, 1989·9 cites·11 claims
- 0840US4797558AInspection apparatus including photodetection and scanning apparatusSIRA LTD·Filed 1987·Granted Jan 10, 1989·8 cites·8 claims
- 0938US5349870AMethod and apparatus for detecting stress in an objectSIRA LTD·Filed 1990·Granted Sep 27, 1994·12 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when SIRA LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →