van Alen; Frederick Ehrwulf

Patent Applications and Registrations

Patent applications and USPTO patent grants for van Alen; Frederick Ehrwulf.The latest application filed is for "systems and methods for preventing fuel leakage in a gas turbine engine".

Company Profile

2.5.6

van Alen; Frederick Ehrwulf - Cincinnati OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Systems And Methods For Preventing Fuel Leakage In A Gas Turbine Engine App 20220136442 - Ellsworth; Richard Allen ; et al.	2022-05-05
Systems and methods for preventing fuel leakage in a gas turbine engine Grant 11,242,801 - Ellsworth , et al. February 8, 2	2022-02-08
Systems and Methods for Preventing Fuel Leakage in a Gas Turbine Engine App 20200102889 - Ellsworth; Richard Allen ; et al.	2020-04-02
Systems and methods for preventing fuel leakage in a gas turbine engine Grant 10,473,031 - Ellsworth , et al. Nov	2019-11-12
Fuel delivery system and method for a gas turbine engine Grant 10,428,742 - van Alen October 1, 2	2019-10-01
Fuel manifold cooling flow recirculation Grant 9,957,891 - Van Alen May 1, 2	2018-05-01
Fuel Delivery System And Method For A Gas Turbine Engine App 20170350323 - van Alen; Frederick Ehrwulf	2017-12-07
Systems And Methods For Preventing Fuel Leakage In A Gas Turbine Engine App 20150089953 - Ellsworth; Richard Allen ; et al.	2015-04-02
Fuel Manifold Cooling Flow Recirculation App 20130061599 - VAN ALEN; Frederick Ehrwulf	2013-03-14

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