INGERSOLL-DRESSER PUMP COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6020251 Method of forming buried diffusion junctions in conjunction with shallow-trench isolation structures in a semiconductor deviceApr 20, 98Feb 01, 00[H01L]
5921243 Device for applying therapy to a footSep 24, 97Jul 13, 99[A61F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5305717 Arrangement for the automatically controlled varying of the relative rotating position of shafts in an internal-combustion engineExpiredFeb 25, 93Apr 26, 94[F01L]
5299813 Floating seal ringExpiredOct 23, 92Apr 05, 94[F16J]
5263825 Leak contained pumpExpiredOct 26, 92Nov 23, 93[F04B]
5248070 Volumetric measuring/dispensing deviceExpiredAug 27, 92Sep 28, 93[G01F]
5154573 Cooling system for centrifugal pump componentsExpiredSep 12, 91Oct 13, 92[F01D]
5076758 Centrifugal pumpsExpiredJul 18, 90Dec 31, 91[F04D]
5056939 Journal bearing retainer systemExpiredJul 12, 90Oct 15, 91[F16C]
5044673 Rotary connectorExpiredJan 16, 90Sep 03, 91[F16L]
5045026 Sealless pump assembly apparatusExpiredJun 15, 90Sep 03, 91[H02N, F16D]
5000613 Shaft coupling with alignment adjustment deviceExpiredJan 08, 90Mar 19, 91[F16B]
4965042 Inherently flushing piston rod for a reciprocating pumpExpiredFeb 02, 90Oct 23, 90[F04B]
4963077 Profiled plunger for a reciprocating pumpExpiredFeb 07, 89Oct 16, 90[F04B]
4936096 Drive mechanismExpiredDec 19, 88Jun 26, 90[F15B]
4930702 Detachable chemical sprayerExpiredDec 16, 88Jun 05, 90[B05B]
4921409 High pressure reciprocating pumpExpiredJun 21, 88May 01, 90[F04B]
4906167 Inherently flushing piston rod for a reciprocating pumpExpiredFeb 07, 89Mar 06, 90[F04B]
4886189 System for selectively containing metering and dispensing liquidsExpiredAug 08, 88Dec 12, 89[B67D]
4871301 Centrifugal pump bearing arrangementExpiredFeb 29, 88Oct 03, 89[F04B]
4867355 Self-contained cartridge meansExpiredDec 16, 88Sep 19, 89[B05B, F04B]
4826083 Direct injection fluid sprayerExpiredSep 14, 87May 02, 89[B05B, A62C]

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