Preh-Werke GmbH & Co. KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7416420 Conductive adhesive bondMay 16, 03Aug 26, 08[H01R]
7101169 Method and device for producing pouch-shaped or pot-shaped parts and use of the parts for accommodating samples or the likeDec 04, 02Sep 05, 06[B29C]
6888465 Sensor unit for detecting the wetting of a windowOct 28, 02May 03, 05[G08B]
6809530 Sensor for detecting condensation and use in a sensor moduleOct 28, 02Oct 26, 04[G01R]
5905765 Method of processing error-control coded, frequency-hopped communication signalsSep 27, 96May 18, 99[H03D, 1./0]
5765435 Apparatus for indicating fuel level in a fuel tankOct 27, 95Jun 16, 98[G01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7146723 Method of improving connection of contactsExpiredJul 01, 03Dec 12, 06[H01R]
7032726 Control elementExpiredDec 05, 03Apr 25, 06[F16F]
7022961 Optical indicator elementExpiredMar 05, 03Apr 04, 06[G01J]
6971146 Fastening springExpiredMar 07, 03Dec 06, 05[F16B]
6971584 Method and apparatus for preventing fogging on the windows of a motor vehicleExpiredApr 26, 04Dec 06, 05[E06B, G05D, F25D, B01F]
6966683 Backlighting deviceExpiredMar 19, 03Nov 22, 05[F21V]
6918315 Display unit for a gear selector deviceExpiredMar 19, 03Jul 19, 05[F16H]
6912796 Assembly aidExpiredJun 13, 03Jul 05, 05[G01D]
2005/0116,035 Card readerAbandonedOct 01, 04Jun 02, 05[G06K]
6860457 Holder for vessels, especially drink containersExpiredDec 03, 02Mar 01, 05[A47K]
2005/0023,730 Pouch-shaped or pot-shaped parts and use of the parts for accommodating samples or the likeAbandonedSep 24, 04Feb 03, 05[B28B]
6843397 Device for holding containers, especially beverage containersExpiredDec 04, 02Jan 18, 05[B60R]
6762578 Motor controller for a motor with feedback potentiometerExpiredOct 28, 02Jul 13, 04[H02K]
2004/0105,246 Control elementAbandonedNov 26, 03Jun 03, 04[G01D]
6667446 Rotary knob device with a key functionExpiredNov 22, 00Dec 23, 03[H01H]
6619185 Safety circuit for automatic assembling machineExpiredOct 09, 01Sep 16, 03[F15B]
6614241 Capacitive sensor for detecting surface condensationExpiredMar 28, 01Sep 02, 03[G01R]
6512189 Rotary switchExpiredNov 20, 00Jan 28, 03[H01H]
6449853 Capacitive angle sensorExpiredApr 15, 99Sep 17, 02[G01B]
6392175 Control element for control functionsExpiredApr 07, 00May 21, 02[H01H]

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