Keene Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2108

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5160193 Modular medical light systemFeb 04, 92Nov 03, 92[F21V]
5086375 Modular medical light systemApr 30, 91Feb 04, 92[F21V]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5183327 Fluorescent light fixture with open ballast housingExpiredSep 10, 91Feb 02, 93[F21S]
5055985 Fluorescent fixture housingExpiredJan 25, 91Oct 08, 91[F21V]
5038254 Integrated medical light systemExpiredDec 18, 90Aug 06, 91[F21V]
D300872 Adjustable light fixture with louvered reflectorExpiredDec 03, 86Apr 25, 89[]
D300669 Adjustable light fixture with high intensity reflectorExpiredDec 03, 86Apr 11, 89[]
4760508 High intensity modular light fixtureExpiredDec 03, 86Jul 26, 88[F21V]
4760511 Light fixtureExpiredDec 03, 86Jul 26, 88[F21M]
4716504 Light fixture bracket for suspended ceilingExpiredMar 13, 87Dec 29, 87[F21S]
4683791 Cutting apparatusExpiredFeb 02, 84Aug 04, 87[B26D, B26F]
4662967 Method of making a gasket for an electronics enclosure to help keep out electrical interferenceExpiredSep 10, 84May 05, 87[B29C]
4626615 RF expansion joint for an electrically sealed enclosureExpiredApr 08, 85Dec 02, 86[H05K]
4571449 Shielded door assemblyExpiredAug 16, 84Feb 18, 86[H05K]
4535623 Material hardness testing apparatusExpiredMay 10, 84Aug 20, 85[G01M]
4527224 Mounting for high intensity light fixtureExpiredJun 25, 84Jul 02, 85[F21V]
4525595 Radiation resistant closureExpiredMay 04, 83Jun 25, 85[H05K]
4484574 Self-rolled foam tape without release layer and method of making sameExpiredJan 25, 84Nov 27, 84[A61L, B32B]
4399317 Sealing apparatus for radio frequency shielding enclosureExpiredSep 18, 81Aug 16, 83[H05K]
4371175 Inflatable gasket for radio frequency shielding enclosureExpiredAug 18, 81Feb 01, 83[F16J, H05K]
4277117 Internally reinforced ball bearing spacerExpiredAug 15, 79Jul 07, 81[F16C]
4266683 Outdoor junction boxExpiredFeb 11, 80May 12, 81[H02G]

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