HOLOPHANE CORPORATION
Patent Owner
Stats
- 39 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 08, 2001 most recent publication
Details
- 39 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,234 Total Citation Count
- Aug 17, 1981 Earliest Filing
- 29 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6246187 System for promoting passive end of life light source failureExpiredMay 20, 99Jun 12, 01[H05B]
5550697 System and method for controlling DC to AC voltage inverterExpiredMar 18, 94Aug 27, 96[H02H]
5521852 Method and system for designing lighting installationsExpiredOct 29, 93May 28, 96[G06F, G01B, G02F]
5440466 Flourescent lighting fixture retrofit unit and method for installing sameExpiredFeb 07, 94Aug 08, 95[F21V]
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