NIELSEN-KELLERMAN CO.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 356
 
  
 
1403 COMMUNICATIONS EQUIPMENT, WIRELESS REMOTE CONTROLS AND RADIO AMPLIFIERS367
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES333
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1106
 
  
 
1002 WATCHES AND WRIST WATCHES133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9014389 MegaphoneMar 13, 13Apr 21, 15[H04R]
D720329 MegaphoneJul 25, 12Dec 30, 14[1403]
D718157 Electronic data deviceJul 03, 13Nov 25, 14[1004]
D716754 MegaphoneJul 25, 12Nov 04, 14[1403]
D714664 Electronic data deviceJul 03, 13Oct 07, 14[1004]
D714665 Electronic data deviceJul 03, 13Oct 07, 14[1004]
D642155 MegaphoneDec 10, 10Jul 26, 11[1403]
7249493 Method and apparatus for measuring relative humidity of a mixtureJun 07, 06Jul 31, 07[G01N]
D547679 WatchApr 24, 06Jul 31, 07[1002]
7059170 Method and apparatus for measuring relative humidity of a mixtureFeb 27, 04Jun 13, 06[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5357794 Faraday effect small boat speed transducer and waterproof connection for sameExpiredJun 12, 92Oct 25, 94[G01C, G01F]
5099689 Apparatus for determining the effective force applied by an oarsmanExpiredNov 19, 90Mar 31, 92[A61B, A63B]

Top Inventors for This Owner

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