ROTOFLOW CORPORATION, A TX CORPORATION

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 263
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 145
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

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
6310414 Shaft bearing systemJun 21, 94Oct 30, 01[H02K]
5769602 Active automatic clamping controlOct 11, 96Jun 23, 98[F01D]
5564895 Active automatic clamping controlApr 26, 95Oct 15, 96[F01D]
5555745 Refrigeration systemApr 05, 95Sep 17, 96[F25D]
5553458 Noncontaminating energy disipator and a method for optimizing turboexpandersSep 27, 95Sep 10, 96[F25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4789300 Variable flow turbine expandersExpiredJun 16, 83Dec 06, 88[F01D]
4696585 Bearing support system with controllable spring rateExpiredJan 17, 86Sep 29, 87[F16C]
4695221 Turbine shutdown control systemExpiredDec 04, 85Sep 22, 87[F01D]
4606652 Shaft seal for turbomachineryExpiredJun 20, 84Aug 19, 86[F01M, F16C]
4582327 Double fluid power recovery system and process thereforExpiredSep 30, 82Apr 15, 86[F16J]
4512851 Process of purifying a recirculating working fluidExpiredFeb 15, 83Apr 23, 85[F01K, B01D]
4502836 Method for nozzle clamping force controlExpiredSep 30, 82Mar 05, 85[F01D]
4495035 Fluid handling method with improved purificationExpiredMar 06, 81Jan 22, 85[C10M, F01M, B01D]
4385768 Shaft mounting device and methodExpiredApr 17, 81May 31, 83[F16J]
4311004 Gas compression system and methodExpiredOct 26, 79Jan 19, 82[F04D]
4300869 Method and apparatus for controlling clamping forces in fluid flow control assembliesExpiredFeb 11, 80Nov 17, 81[F01D]
4287758 Shaft mounting device and methodExpiredJul 19, 79Sep 08, 81[G01L]
4273390 Bearing system with thrust compensation meansExpiredMay 15, 78Jun 16, 81[F16C]
4242870 Power systems using heat from hot liquidExpiredAug 29, 74Jan 06, 81[F01K]
4242040 Thrust adjusting means for nozzle clamp ringExpiredMar 21, 79Dec 30, 80[F01O]

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!.