BARR & STROUD LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
A01H NEW PLANTS OR PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES 1127
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6039632 Solid state lasersJan 27, 98Mar 21, 00[B24B]
5982536 Display systemJun 04, 98Nov 09, 99[G02B]
5907084 Virus resistant or tolerant cellsApr 03, 96May 25, 99[A01H]
5753379 Protective coatings for optical componentsJul 17, 95May 19, 98[B32B]
5751473 Dual waveband optical systemApr 04, 96May 12, 98[G02B]
5399298 Optical filters with coatings transmissive in narrow waveband regionsOct 27, 86Mar 21, 95[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7113708 Data communications linkExpiredNov 09, 99Sep 26, 06[H04B]
6188706 Solid state lasersExpiredJan 27, 00Feb 13, 01[H01S]
6061916 Head tracking systemExpiredMay 15, 98May 16, 00[G01C, G01B]
5726814 Multiple field of view changing apparatus for an optical systemExpiredNov 22, 95Mar 10, 98[G02B]
5719671 Boresighting optical systemExpiredFeb 19, 97Feb 17, 98[B01B]
5007689 Infra-red transmitting optical components and optical coatings thereforExpiredAug 30, 89Apr 16, 91[G02B]
4964724 Radiation receiving mastExpiredSep 14, 89Oct 23, 90[G02B, G01C, G01B]
4859536 Optical coatingExpiredJan 13, 88Aug 22, 89[B32B]
4848886 Submarine periscope systemsExpiredNov 09, 87Jul 18, 89[B63G, G02B]
4832722 Method of manufacturing flexible optical fiber bundlesExpiredAug 27, 87May 23, 89[C03C, C03B]
4789339 Gunnery training systemExpiredJan 27, 87Dec 06, 88[F41F]
4771721 Submarine periscope systemsExpiredOct 15, 87Sep 20, 88[B63G]
4763988 Periscope apparatus comprising a single inverted pyramidExpiredSep 26, 86Aug 16, 88[G02B]
4760770 Fire control systemsExpiredOct 03, 83Aug 02, 88[F41G, F41H]
4740442 Optical coatingExpiredMay 12, 86Apr 26, 88[B05D, G03G]
4695119 Infrared optical systemExpiredJan 13, 83Sep 22, 87[F21V, B29D, G02B]
4672617 LasersExpiredMay 15, 86Jun 09, 87[H10S]
4659171 Infrared afocal refractor telescopeExpiredMay 07, 85Apr 21, 87[G02B]
4632498 Variable magnification infrared objective lens assemblyExpiredSep 13, 85Dec 30, 86[G02B]
4627723 Optical range simulator devicesExpiredMay 09, 84Dec 09, 86[G01C]

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