Assignee
SPECIAL SPRINGS SRL
IT·16 granted patents·1 pending application·25 citations·filing 1998–2022
Top patents by PatentIndex Score
17 records- 0189US9291265B2Gas cylinder actuator with overtravel safety deviceSPECIAL SPRINGS SRL·Filed 2013·Granted Mar 22, 2016·11 cites·3 claims
- 0283US11707903B2Apparatus for the controlled return of the stems in cylinders applied to stamping pressesSPECIAL SPRINGS SRL·Filed 2021·Granted Jul 25, 2023·1 cites·10 claims
- 0378US9874281B2Gas cylinder actuator with overtravel safety deviceSPECIAL SPRINGS SRL·Filed 2016·Granted Jan 23, 2018·2 cites·3 claims
- 0478US9726287B2Gas cylinder actuator with overtravel safety deviceSPECIAL SPRINGS SRL·Filed 2016·Granted Aug 8, 2017·2 cites·5 claims
- 0576US9593734B2Gas-operated springSPECIAL SPRINGS SRL·Filed 2015·Granted Mar 14, 2017·3 cites·2 claims
- 0673US10619695B2Gas cylinder actuator with safety deviceSPECIAL SPRINGS SRL·Filed 2017·Granted Apr 14, 2020·2 cites·17 claims
- 0762US10514051B2Gas cylinder actuator with safety deviceSPECIAL SPRINGS SRL·Filed 2016·Granted Dec 24, 2019·1 cites·10 claims
- 0861US7260971B2Apparatus for locking a sheet of metal suitable to be shaped in a pressSPECIAL SPRINGS SRL·Filed 2006·Granted Aug 28, 2007·2 cites·10 claims
- 0955US11209331B2Pressure sensor for a gas-filled cylinderSPECIAL SPRINGS SRL·Filed 2019·Granted Dec 28, 2021·0 cites·10 claims
- 1052US12060919B2Gas-filled cylinder with overtravel safety deviceSPECIAL SPRINGS SRL·Filed 2021·Granted Aug 13, 2024·0 cites·12 claims
- 1145US9534734B2Apparatus for the controlled pressurization of gas cylinder actuatorsSPECIAL SPRINGS SRL·Filed 2015·Granted Jan 3, 2017·0 cites·15 claims
- 1243US10508664B2Gas cylinder actuator with overtravel safety deviceSPECIAL SPRINGS SRL·Filed 2016·Granted Dec 17, 2019·0 cites·11 claims
- 1342US12454990B2Gas springSPECIAL SPRINGS SRL·Filed 2022·Granted Oct 28, 2025·0 cites·18 claims
- 1441US10907663B2Gas cylinder actuator with overtravel indicator deviceSPECIAL SPRINGS SRL·Filed 2017·Granted Feb 2, 2021·0 cites·7 claims
- 1540US11378105B2Gas cylinder actuator with safety device for uncontrolled return of the piston-stemSPECIAL SPRINGS SRL·Filed 2018·Granted Jul 5, 2022·0 cites·13 claims
- 1636US2016250770A1Gas-actuated hold-down for punching devices and punching device with such hold-downSPECIAL SPRINGS SRL·Filed 2016·Application pending·0 cites
- 1724US6332315B1Hydraulic power supply unit, particularly for auxiliary actuators in pressesSPECIAL SPRINGS SRL·Filed 1998·Granted Dec 25, 2001·1 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →