Zweibrueder Optoelectronics GmbH & Co. KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F21L LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION 127
 
 
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 6104
 
 
 
2602 TORCHES AND HAND LAMPS AND LANTERNS619
 
 
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 155
 
 
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9599317 Focusable flashlightMar 23, 15Mar 21, 17[F21L, F21Y, F21V]
9410667 Flashlight with rotatable battery cartridgeMay 05, 11Aug 09, 16[F21L, F21Y, F21V]
D756552 Forehead lampOct 12, 12May 17, 16[2602]
9133991 Cylindrical flashlight with antiroll deviceMay 04, 12Sep 15, 15[F21L, F21V]
9086195 Flashlight that can be focusedMay 10, 12Jul 21, 15[F21L, F21Y, F21V]
D732722 LED torchOct 12, 12Jun 23, 15[2602]
9057500 FlashlightJul 02, 11Jun 16, 15[F21L, F21Y, F21V]
D725303 TorchOct 12, 12Mar 24, 15[2602]
8974075 Focusable flashlightJul 21, 11Mar 10, 15[F21L, F21V]
8833960 Waterproof torchJun 20, 11Sep 16, 14[F21L, F21V]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8545044 Flashlight with end-cap switchExpiredNov 19, 10Oct 01, 13[F21L, F21V]
8444290 Focusable flashlightExpiredApr 12, 11May 21, 13[F21L]
2013/0120,978 FLASHLIGHT WITH A CONTACT SPRINGAbandonedMay 04, 11May 16, 13[F21L]
6893143 Lamp, in particular, lounge, table or pocket lampExpiredMar 15, 01May 17, 05[F21V]

Top Inventors for This Owner

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