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Hackforth GmbH

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Records under this name other than patents Hackforth GmbH holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 7,597,626Membrane coupling in a compact design
Term ended
Term ended Apr 2, 2025 · From the USPTO record
Term endedTerm ended Apr 2, 2025From the USPTO record
US 6,976,921Coupling
Term ended
Term ended Mar 18, 2022 · From the USPTO record
Term endedTerm ended Mar 18, 2022From the USPTO record
US 9,701,386Shaft made of fiber composite material with fireproof bulkhead feedthrough
Lapsed on the fee record
Ended Jul 11, 2021 · From the USPTO record
Lapsed on the fee recordEnded Jul 11, 2021From the USPTO record
US 6,623,362Elastic shaft coupling
Term ended
Term ended Feb 5, 2021 · From the USPTO record
Term endedTerm ended Feb 5, 2021From the USPTO record
US 6,896,622Elastic shaft coupling
Term ended
Term ended Nov 10, 2020 · From the USPTO record
Term endedTerm ended Nov 10, 2020From the USPTO record
US 9,163,673Method for producing a coupling segment of a flexible coupling
Lapsed on the fee record
Ended Oct 20, 2019 · From the USPTO record
Lapsed on the fee recordEnded Oct 20, 2019From the USPTO record
US 6,234,903Shaft coupling with cooling elements
Term ended
Term ended Sep 27, 2019 · From the USPTO record
Term endedTerm ended Sep 27, 2019From the USPTO record
US 9,028,333Shaft for transmitting torques
Lapsed on the fee record
Ended May 12, 2019 · From the USPTO record
Lapsed on the fee recordEnded May 12, 2019From the USPTO record
US 8,357,051Torsionally elastic shaft coupling comprising a bridgeable elastomer member
Lapsed on the fee record
Ended Jan 22, 2017 · From the USPTO record
Lapsed on the fee recordEnded Jan 22, 2017From the USPTO record
US 8,033,919Elastic shaft coupling having non-identical rubber bodies
Lapsed on the fee record
Ended Oct 11, 2015 · From the USPTO record
Lapsed on the fee recordEnded Oct 11, 2015From the USPTO record
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