PLYMOUTH PRODUCTS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5976432 Method and apparatus for the continuous extrusion of block elementsSep 09, 96Nov 02, 99[B29C, C04B]
5897770 Center core cartridge feeder insertOct 23, 97Apr 27, 99[C02F]
RE35667 Faucet-mounted water filter with wall inlet and annular chamberDec 20, 93Nov 25, 97[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0245,170 Water filter for cyst reductionAbandonedJun 06, 03Dec 09, 04[B01D]
6117332 Method for using a center core cartridge feeder insertExpiredJan 18, 99Sep 12, 00[C02F]
5652008 Universal water filtration device and method of filtering waterExpiredJan 05, 96Jul 29, 97[A23L, C02F]
5411661 Water filter moduleExpiredAug 18, 93May 02, 95[B01D]
5393548 Method of making coffee using water filtration deviceExpiredDec 09, 93Feb 28, 95[A23F]
D354795 Water filterExpiredApr 22, 93Jan 24, 95[]
5318703 Water filter moduleExpiredMay 26, 93Jun 07, 94[B01D]
4594361 Stabilized polybromide resins and method of preparationExpiredNov 26, 84Jun 10, 86[C02F]
4321660 Universal trouble lightExpiredOct 14, 80Mar 23, 82[B60Q]
4258414 Universal trouble lightExpiredAug 01, 79Mar 24, 81[F21V]

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