SPECIAL SPRINGS S.R.L.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION851
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 540
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 353
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS347
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 115
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126
 
  
 
F16P SAFETY DEVICES IN GENERAL110
 
  
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 126

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0370,440 GAS CYLINDER ACTUATOR WITH SAFETY DEVICEJun 23, 17Dec 28, 17[F16F]
2017/0276,153 GAS CYLINDER ACTUATOR WITH OVERTRAVEL INDICATOR DEVICEMar 23, 17Sep 28, 17[F15B]
2016/0250,770 GAS-ACTUATED HOLD-DOWN FOR PUNCHING DEVICES AND PUNCHING DEVICE WITH SUCH HOLD-DOWNFeb 22, 16Sep 01, 16[B26D, B26F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9874281 Gas cylinder actuator with overtravel safety deviceMar 01, 16Jan 23, 18[F01B, F16F, F16J]
9726287 Gas cylinder actuator with overtravel safety deviceMar 01, 16Aug 08, 17[F16F, F16J]
9593734 Gas-operated springJul 31, 15Mar 14, 17[F16F]
9534734 Apparatus for the controlled pressurization of gas cylinder actuatorsFeb 06, 15Jan 03, 17[F16K, F17C, F16F]
9291265 Gas cylinder actuator with overtravel safety deviceMar 01, 13Mar 22, 16[F16F, F16J]
9157500 Gas cylinder actuator with safety system for controlled ejection of the piston stemApr 15, 10Oct 13, 15[F16F, B21D, F16J]
9133984 Guard for gas cylinder actuatorsJun 25, 08Sep 15, 15[F16K, F16P, F15B, F16F]
8806998 Gas-operated integrated punching device with plate presserNov 13, 08Aug 19, 14[B21D]
8776964 Gas cylinder actuator with overtravel safety deviceMar 09, 10Jul 15, 14[F16F]
7260971 Apparatus for locking a sheet of metal suitable to be shaped in a pressMay 01, 06Aug 28, 07[B21D]

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Expired/Abandoned/Withdrawn Patents

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