BIRKBECK; John

Patent Applications and Registrations

Patent applications and USPTO patent grants for BIRKBECK; John.The latest application filed is for "bias techniques for amplifiers with mixed polarity transistor stacks".

Company Profile

7.7.11

BIRKBECK; John - NEW MILTON GB

*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
Bias Techniques For Amplifiers With Mixed Polarity Transistor Stacks App 20220182017 - BIRKBECK; John	2022-06-09
RF Frequency Multiplier Without Balun App 20220014148 - Birkbeck; John	2022-01-13
Bias techniques for amplifiers with mixed polarity transistor stacks Grant 11,133,782 - Birkbeck September 28, 2	2021-09-28
RF frequency multiplier without balun Grant 11,075,604 - Birkbeck July 27, 2	2021-07-27
Bias techniques for controlled voltage distribution in stacked transistor amplifiers Grant 11,025,207 - Pal , et al. June 1, 2	2021-06-01
Low Loss Reflective Passive Phase Shifter using Time Delay Element with Double Resolution App 20210135656 - Birkbeck; John ; et al.	2021-05-06
RF Frequency Multiplier Without Balun App 20210099130 - Birkbeck; John	2021-04-01
Bias Techniques For Controlled Voltage Distribution In Stacked Transistor Amplifiers App 20210075377 - PAL; Kashish ; et al.	2021-03-11
Bias Techniques For Amplifiers With Mixed Polarity Transistor Stacks App 20210075376 - BIRKBECK; John	2021-03-11
Low loss reflective passive phase shifter using time delay element with double resolution Grant 10,840,889 - Birkbeck , et al. November 17, 2	2020-11-17
Low Loss Reflective Passive Phase Shifter using Time Delay Element with Double Resolution App 20190296718 - Birkbeck; John ; et al.	2019-09-26
High frequency phase shifter using limited ground plane transition and switching arrangement Grant 10,396,780 - Birkbeck A	2019-08-27
Low Loss Reflective Passive Phase Shifter using Time Delay Element App 20190140622 - Birkbeck; John ; et al.	2019-05-09
High Frequency Phase Shifter Using Limited Ground Plane Transition and Switching Arrangement App 20190081626 - Birkbeck; John	2019-03-14
Hybrid coupler with phase and attenuation control Grant 10,211,801 - Birkbeck Feb	2019-02-19
High frequency phase shifter using limited ground plane transition and switching arrangement Grant 10,075,159 - Birkbeck September 11, 2	2018-09-11
Hybrid Coupler with Phase and Attenuation Control App 20180019722 - Birkbeck; John	2018-01-18
Data Bus For Low Power Tag App 20120166741 - Birkbeck; John	2012-06-28

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