Rolls-Royce Aktiebolag

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B63H MARINE PROPULSION OR STEERING 1724
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3104
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 236
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS 116
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0214,295 POD PROPULSION DEVICE AND A METHOD FOR COOLING SUCHMay 04, 15Jul 27, 17[H02K, B63H]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9902478 Pod propulsion device and a method for cooling suchMay 04, 15Feb 27, 18[H02K, B63H]
9457880 Propulsor arrangement for a marine vessel and a marine vessel constructed with this type of propulsor arrangementFeb 07, 13Oct 04, 16[B63H, B63B]
9346526 Method of and a device for reducing the azimuthal torque acting on a pulling pod unit or azimuth thrusterOct 05, 12May 24, 16[B63H]
8777575 Method and arrangement for propeller pitch controlOct 12, 09Jul 15, 14[B63H]
8562382 Method for system for a water jet propulsion system for a shipMar 26, 09Oct 22, 13[B63H]
8448591 Method and arrangement for attachment and/or disassembly/assembly of a tunnel thrusterApr 02, 09May 28, 13[B63H]
7661379 Propulsion and steering arrangement for a shipMar 29, 06Feb 16, 10[B63H]
7549903 Method and auxiliary device for disassembly/assembly of a tunnel thrusterApr 12, 05Jun 23, 09[B63H]
7029343 Steering arrangement for a ship propelled by waterjetApr 30, 03Apr 18, 06[B63H]
6796857 Propulsion system for a shipDec 04, 02Sep 28, 04[B63H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7118300 Shaft couplingExpiredMar 22, 02Oct 10, 06[F16D]
6945834 Steering arrangement for ships with water jet unitExpiredNov 14, 01Sep 20, 05[B63H]
6935907 Pod unitExpiredMar 17, 04Aug 30, 05[B63H]
6875067 Axially adjustable thrust bearing for jet propulsion unitsExpiredMar 31, 03Apr 05, 05[B63H]
6537031 Marine propeller with detachable bladesExpiredNov 19, 01Mar 25, 03[F04D]

Top Inventors for This Owner

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