QSINDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 125
 
  
 
G10K SOUND-PRODUCING DEVICES 134
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 196

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7770847 Signaling and remote control train operationAug 15, 06Aug 10, 10[B61L]
5832431 Non-looped continuous sound by random sequencing of digital sound recordsNov 30, 93Nov 03, 98[G10K]
5633985 Method of generating continuous non-looped sound effectsMay 31, 95May 27, 97[G10L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0001,058 Model railroad control and sound systemsAbandonedJun 30, 06Jan 04, 07[A63H]
6230140 Continuous sound by concatenating selected digital sound segmentsExpiredJun 11, 98May 08, 01[G10H, G10K]
5267318 Model railroad cattle car sound effectsExpiredSep 26, 90Nov 30, 93[A63H, G10L, G11B]

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