Break-A-Beam, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 278
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5665961 Photoelectric switch for use with a machine control circuitOct 26, 94Sep 09, 97[H01J, G01V]
5367158 Photoelectric switch for use with a machine control circuitOct 25, 91Nov 22, 94[G01V]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D346587 Contoured transparent cover for a photoelectric switchExpiredJun 11, 92May 03, 94[]
4939358 Switch apparatus including a pair of beam-type switchesExpiredMay 23, 88Jul 03, 90[G01V]

Top Inventors for This Owner

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