PUTZMEISTER CONCRETE PUMPS GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 240
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 130
 
  
 
E05C BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS 135
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7616301 Disc clamping device for multiple standard discsMar 03, 04Nov 10, 09[G01N]
5823218 Large manipulator, especially for self-propelled concrete pumps, and method for operating itFeb 23, 96Oct 20, 98[B67D]
5640996 Large manipulator, especially for self-propelled concrete pumpsAug 25, 95Jun 24, 97[G65G, B65Q]
5535780 Concrete-distribution rigNov 14, 94Jul 16, 96[B67D]
5470167 Locking device for pull-out supportsJul 07, 94Nov 28, 95[E05C, B66C]
5460301 Concrete pump vehicleSep 19, 94Oct 24, 95[F04B]
5340291 Flow restraining device for a thick matter conveying apparatusJan 13, 93Aug 23, 94[F04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0217,279 Working Boom, Especially for Large Manipulators and Mobile Concrete PumpsAbandonedOct 17, 06Sep 11, 08[B66C]
2008/0016,862 Hydraulic Switching Arrangement, Particularly for the Drive of Concrete Spreader MastsAbandonedMay 26, 06Jan 24, 08[F15B]
2007/0131,251 Device and method for cleaning a thick matter delivery pipeAbandonedMar 18, 05Jun 14, 07[B08B]
7210201 Clamp coupling for pipesExpiredNov 14, 01May 01, 07[F16L]
2007/0020,117 Distributor device for unset concreteAbandonedAug 27, 04Jan 25, 07[F04B]
7131820 Method for controlling a thick matter pumpExpiredJul 04, 02Nov 07, 06[F04B]
7048006 Material feeding container for two-cylinder thick matter pumpsExpiredNov 02, 02May 23, 06[F16K]
2004/0065,528 Wet paper web transfer beltAbandonedSep 19, 03Apr 08, 04[B65G]
6536601 Sludge siloExpiredNov 10, 99Mar 25, 03[B30B, C02F, B01D]
6488477 Material feed container, especially for thick material pumpsExpiredNov 01, 00Dec 03, 02[F04B]
6484752 Auto concrete pumpExpiredNov 07, 00Nov 26, 02[F16L, B65D]
6338615 Pipe switch for two-cylinder thick-material pumpExpiredAug 02, 00Jan 15, 02[F04B]
6183216 Arrangement for long-distance conveying of thick matterExpiredJan 19, 99Feb 06, 01[F04B]
6171075 Process and device for controlling a two-cylinder thick medium pumpExpiredSep 25, 98Jan 09, 01[F04B]
6068025 Delivery line for cementExpiredFeb 21, 97May 30, 00[F16L, B65G]
5961145 Mobile machine with laterally pivoted supporting strutsExpiredMay 26, 98Oct 05, 99[B60S]
5957675 Thick matter pump with a cleaning cartridge and blocking slideExpiredSep 27, 96Sep 28, 99[F04B]
5823748 Device for opening and closing a closure capExpiredFeb 08, 96Oct 20, 98[F04B]
5749678 Device for driving a tunnel or drain pipeExpiredOct 25, 96May 12, 98[F16L, E03F]
5746247 Slide valve for a twin-cylinder pump for viscous fluidsExpiredMay 16, 96May 05, 98[F04B]

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