S4 ENERGY B.V.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F03G SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR 217
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION257
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
F03D WIND MOTORS139

Top Patents (by citation)

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

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0037,932 A Flywheel SystemApr 07, 15Feb 09, 17[H02K, F16F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9695804 Device for reducing the load on a supporting structure, in particular an inertial energy accumulating deviceDec 18, 13Jul 04, 17[F16C, F03G]
9350213 Inertial energy accumulating deviceMar 08, 12May 24, 16[H02K, F16F, F03D, F03G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0206,517 TRANSMISSION DEVICE FOR A MACHINE FOR PRODUCING ELECTRICITY FROM A VARIABLE SPEED MOTIVE POWER SOURCE, UNIT FOR PRODUCING ELECTRICITY AND WIND TURBINE BOTH SO EQUIPPED, AND METHOD OF SETTING A TRANSMISSION RATIOAbandonedFeb 11, 09Aug 25, 11[F03D, F16H]

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!.