Assignee
FREUDENBERG OIL & GAS LLC
US·10 granted patents·6 pending applications·12 citations·filing 2013–2022
Top patents by PatentIndex Score
16 records- 0181US10948113B1Longitudinal expansion joint for piping systemFREUDENBERG OIL & GAS LLC·Filed 2019·Granted Mar 16, 2021·3 cites·5 claims
- 0277US11549623B2Ball joint sealFREUDENBERG OIL & GAS LLC·Filed 2020·Granted Jan 10, 2023·4 cites·2 claims
- 0366US11598456B1Pipe connection with split swivel ringFREUDENBERG OIL & GAS LLC·Filed 2021·Granted Mar 7, 2023·1 cites·3 claims
- 0465US9284813B2Swellable energizers for oil and gas wellsFREUDENBERG OIL & GAS LLC·Filed 2013·Granted Mar 15, 2016·3 cites·20 claims
- 0553US9518441B2Expandable packing element and cartridgeFREUDENBERG OIL & GAS LLC·Filed 2013·Granted Dec 13, 2016·1 cites·28 claims
- 0651US2023204058A1Flange connectionFREUDENBERG OIL & GAS LLC·Filed 2021·Application pending·0 cites
- 0747US2023250905A1Pipe flange connection system with static sealFREUDENBERG OIL & GAS LLC·Filed 2022·Application pending·0 cites
- 0844US10309562B2Metal to metal wedge ring sealFREUDENBERG OIL & GAS LLC·Filed 2017·Granted Jun 4, 2019·0 cites·19 claims
- 0941US10627028B2Misalignment flange for pipeline installationsFREUDENBERG OIL & GAS LLC·Filed 2018·Granted Apr 21, 2020·0 cites·5 claims
- 1038US11635142B2Dual barrier sealFREUDENBERG OIL & GAS LLC·Filed 2019·Granted Apr 25, 2023·0 cites·12 claims
- 1135US2017122055A1Unitized lip seal for wash pipe stuffing box sealing systemFREUDENBERG OIL & GAS LLC·Filed 2015·Application pending·0 cites
- 1233US9938793B2Spherical blow out preventer annular sealFREUDENBERG OIL & GAS LLC·Filed 2015·Granted Apr 10, 2018·0 cites·18 claims
- 1329US9777874B2Rotary couplingFREUDENBERG OIL & GAS LLC·Filed 2015·Granted Oct 3, 2017·0 cites·17 claims
- 1428US2017328472A1Interlocking annular pressure seal assemblyFREUDENBERG OIL & GAS LLC·Filed 2016·Application pending·0 cites
- 1524US2018031129A1Bonded seal with integral backup ringFREUDENBERG OIL & GAS LLC·Filed 2016·Application pending·0 cites
- 1622US2017074439A1Live load pipe ball jointFREUDENBERG OIL & GAS LLC·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →