Iwata Air Compressor Mfg. Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 128
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5961297 Oil-free two stage scroll vacuum pump and method for controlling the same pumpFeb 28, 96Oct 05, 99[F04B]
5258046 Scroll-type fluid machinery with seals for the discharge port and wrapsJun 24, 92Nov 02, 93[F01C]
5249746 Low pressure paint atomizer-air spray gunMay 13, 91Oct 05, 93[B05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5236128 Spray gun with paint supply amount controlExpiredApr 20, 90Aug 17, 93[B05B]
5170941 Premixing-type spray gunExpiredApr 14, 92Dec 15, 92[B05B]
5165605 Low pressure air atomizing spray gunExpiredMar 30, 90Nov 24, 92[B05B]
5145344 Scroll-type fluid machinery with offset passage to the exhaust portExpiredFeb 13, 91Sep 08, 92[F04C]
5117742 Piston of composite material with C-shaped ring grooveExpiredApr 24, 90Jun 02, 92[F01B, F16J]
D314421 Air spray gunExpiredAug 17, 88Feb 05, 91[]
4982897 Spraying method and apparatus employed thereforExpiredAug 15, 86Jan 08, 91[B05B]
4869658 Prevention against shifting of tip seal of scroll compressorExpiredFeb 24, 88Sep 26, 89[F04C, F16J]
4754923 Spray gun with automatic valve opening control meansExpiredAug 14, 86Jul 05, 88[A01G]
4714635 Automatic spraying methodExpiredAug 26, 86Dec 22, 87[B05D]
4560109 Shaft sealing device for sliding portion of needle valve in paint spray gunExpiredJun 20, 83Dec 24, 85[B05B]
4373881 Worm-type rotary fluid compressorExpiredJul 07, 80Feb 15, 83[F04C]

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