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Engineering Dynamics Ltd.

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Records under this name other than patents Engineering Dynamics Ltd. 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 6,902,603Integrated air filtration unit
Term ended
Term ended Jan 27, 2023 · From the USPTO record
Term endedTerm ended Jan 27, 2023From the USPTO record
US 6,797,966Quick-Install Irradiation Unit and Method of Making Same
Term ended
Term ended Mar 2, 2022 · High confidence
Term endedTerm ended Mar 2, 2022High confidence
US 6,574,123Power supply for electrostatic air filtration
Term ended
Term ended Dec 12, 2021 · From the USPTO record
Term endedTerm ended Dec 12, 2021From the USPTO record
US 6,195,625Method for simulating collisions
Term ended
Term ended Feb 26, 2019 · From the USPTO record
Term endedTerm ended Feb 26, 2019From the USPTO record
US D453,215Adaptive rail for planar air filter
Term ended
Term ended Jan 29, 2016 · From the USPTO record
Term endedTerm ended Jan 29, 2016From the USPTO record
US 6,294,004Structures for electrostatic V-bank air filters
Lapsed on the fee record
Ended Sep 25, 2009 · From the USPTO record
Lapsed on the fee recordEnded Sep 25, 2009From the USPTO record
US 3,988,589Methods of collimator fabrication
Term ended
Term ended no later than Oct 26, 1996 · Low confidence
Term endedTerm ended no later than Oct 26, 1996Low confidence
US 4,054,800Methods of collimator fabrication
Term ended
Term ended no later than Oct 18, 1997 · Low confidence
Term endedTerm ended no later than Oct 18, 1997Low confidence
US 4,250,392Bi-focal collimator
Term ended
Term ended no later than Feb 10, 2001 · Low confidence
Term endedTerm ended no later than Feb 10, 2001Low confidence
US 4,927,136Braking system for exercise apparatus
Formerly held
Term ended
Term ended no later than May 22, 2010 · Low confidence
Term endedTerm ended no later than May 22, 2010Low confidence
10 of 16 patents shown.
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