GRUNDFOS A/S

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1151
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 6101
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 551
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 582
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS371
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 253
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 257
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9000650 Laminated core for electromagnetic applicationsApr 15, 05Apr 07, 15[H02K]
8353676 Method for determining faults during the operation of a pump unitOct 28, 11Jan 15, 13[F04B]
8070457 Method for determining faults during the operation of a pump unitFeb 05, 05Dec 06, 11[F04B]
8067872 Permanent magnet rotor having slanted or curved groovesNov 07, 05Nov 29, 11[H02K]
7859211 Method for controlling the firing angle of an electric motorJan 19, 07Dec 28, 10[H02P]
7823456 Pressure sensorMar 17, 09Nov 02, 10[G01L]
7713771 Pressure sensorSep 01, 06May 11, 10[H01L]
7509866 Pressure sensorAug 06, 05Mar 31, 09[G01L]
7264450 Pump unit and method for operating a pump unitDec 22, 00Sep 04, 07[F04B]
7195462 Method for controlling several pumpsAug 22, 03Mar 27, 07[F04B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7578397 Device for the treatment of fluidsExpiredJun 29, 05Aug 25, 09[B01J, C02F, B01D]
7317296 Electric motorExpiredMay 19, 04Jan 08, 08[H02P]
6373728 Frequency converter with an intermediate buck-boost converter for controlling an electric motorExpiredSep 27, 00Apr 16, 02[H02M]
5714816 Electric motorExpiredMar 22, 96Feb 03, 98[H02K]
5598080 Starting device for a single-phase induction motorExpiredFeb 12, 93Jan 28, 97[H02P]
D372719 Water pumpExpiredDec 02, 94Aug 13, 96[]
D364172 PumpExpiredFeb 28, 94Nov 14, 95[]
D357687 Pump housingExpiredJul 02, 93Apr 25, 95[]
5356266 Centrifugal pump unitExpiredFeb 12, 93Oct 18, 94[F04B]
5248085 Gas boilerExpiredAug 07, 92Sep 28, 93[F24D]
4647228 Height adjusting device for machines or machine elementsExpiredApr 17, 85Mar 03, 87[F16C]
4627792 Rotating flow pump with a feed pump unit formed as an ejectorExpiredSep 12, 85Dec 09, 86[F04B]
4549849 Pumping assembliesExpiredApr 11, 83Oct 29, 85[F04D]
4518318 Pumping setsExpiredJul 07, 83May 21, 85[F04B]
4516915 Pumping plantExpiredMar 10, 83May 14, 85[H02K, F04B]
4507583 Piezo-electric level detectorExpiredFeb 02, 84Mar 26, 85[H01L]
4484862 Submersible pumpsExpiredMar 29, 82Nov 27, 84[F04B]
4475873 Wet-motor pumpExpiredFeb 04, 82Oct 09, 84[H02K, F04B]
4465437 Pump comprising a canned motorExpiredFeb 04, 82Aug 14, 84[F04B]
4447189 Centrifugal pump for moving gaseous liquidsExpiredJan 25, 82May 08, 84[F01D]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.