Proto-Vest, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 822
 
  
 
B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR331
 
  
 
A47L DOMESTIC WASHING OR CLEANING 258
 
  
 
G08G TRAFFIC CONTROL SYSTEMS 166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7284296 Car wash blower controlMar 03, 04Oct 23, 07[F26B]
6176024 Nozzle structure for blower assemblyMar 16, 00Jan 23, 01[F26B]
6038781 Method of de-icing an aircraftMar 16, 99Mar 21, 00[F26B]
5950324 Blower for de-icing aircraftFeb 17, 98Sep 14, 99[F26B]
5901461 Top blower for a car washApr 02, 98May 11, 99[F26B]
5886648 Automated vehicle wash system with vehicle type recognitionFeb 02, 98Mar 23, 99[A47L, G08G]
5553346 Tapered bag blower systemMar 21, 95Sep 10, 96[B60S]
5421102 Non-contacting drying systemJan 26, 94Jun 06, 95[F26B]
5280665 Non-contacting automotive dryer control circuitDec 15, 92Jan 25, 94[A47L]
5195207 Non-contacting automotive dryer sensorNov 14, 91Mar 23, 93[F26B, B60S]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7150112 Blower control systemExpiredSep 10, 04Dec 19, 06[F26B]
6745497 Retractable overhead nozzle system for car wash blowerExpiredOct 25, 02Jun 08, 04[F26B]
2004/0025,371 Blower control systemAbandonedAug 09, 02Feb 12, 04[F26B]
6519872 Car wash blower retract systemExpiredMay 04, 01Feb 18, 03[F26B]
5960564 Side shot two car wash dryerExpiredFeb 27, 98Oct 05, 99[F26B]
5187881 Non-contacting automotive dryer releasable connectionExpiredNov 14, 91Feb 23, 93[B08B, F26B, B60S]
4700426 Nozzle assembly for fluid stripping apparatusExpiredSep 28, 82Oct 20, 87[B60S]
4446592 Nozzle assemblyExpiredSep 28, 82May 08, 84[B08B]
4445251 Adjustable clamp for fluid stripping bagExpiredSep 28, 82May 01, 84[B08B]
4433450 Secondary bag adjustmentExpiredMay 17, 82Feb 28, 84[F26B]
4418442 Fluid stripping apparatus including a strap for interconnecting adjacent airbagsExpiredMay 17, 82Dec 06, 83[B60S]
4409035 Clamp for varying the hinging action of a fluid stripping bagExpiredJan 08, 82Oct 11, 83[B08B]

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