GP COMPANIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
F23D BURNERS 131
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7866573 Ergonomic spray gunJul 10, 08Jan 11, 11[B05B, F23D]
6528748 In-line flow switch assembly including magnetic sensitive plunger and microswitch actuatorJun 05, 01Mar 04, 03[H01H]
D452554 Pump thermal protector deviceOct 30, 00Dec 25, 01[2301]
6322696 Inlet filter for high pressure sprayerFeb 25, 00Nov 27, 01[B01D]
D382276 Pump baseNov 22, 95Aug 12, 97[1502]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6766967 Magnet-driven rotary nozzleExpiredMay 07, 02Jul 27, 04[B05B]
6472624 In-line flow switchExpiredSep 26, 00Oct 29, 02[H01H]
6435427 Nozzle assembly with an extendable turretExpiredJan 16, 01Aug 20, 02[A62C]
6123272 Nozzle assemblyExpiredJul 13, 99Sep 26, 00[A62C]
5755251 Full flow pressure trap unloader valveExpiredNov 28, 95May 26, 98[F16K, G05D]
5700137 Low profile positive displacement pump systemExpiredNov 28, 95Dec 23, 97[F04B]
5641119 Thermal relief valveExpiredJun 02, 95Jun 24, 97[G09D]
5584672 Low profile positive displacement pump systemExpiredApr 03, 96Dec 17, 96[F04B]
D375344 Flow nozzleExpiredJun 02, 95Nov 05, 96[]
5556264 Low profile positive displacement pump systemExpiredJul 28, 95Sep 17, 96[F04B]
5538188 Flow nozzleExpiredJan 17, 95Jul 23, 96[B05B]
5263514 Boom control valveExpiredApr 20, 93Nov 23, 93[F16K]
D321241 Combined pressure and thermal safety valveExpiredJun 16, 88Oct 29, 91[]

Top Inventors for This Owner

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