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RF Cafe Website Visitors' Patents

U.S. Patent Office Seal History - RF CafeThis page is dedicated to visitors of RF Cafe who have managed one of the crowning achievements of an engineering career - being awarded a patent. If you are listed as the Inventor on a patent and would like to have it included here, please send me an e-mail with the patent number, and I will be honored to include your invention in the list. Your patent can date back to Thomas Edison's time and it still is welcome. Patent listings are listed in numerical order, and not limited to only those issued by the USPTO. Hyperlinks are made to Google Patents since the formats are usually more browser friendly.

Patent Number Details

September 29, 2020

Adjustable stacked phase-mode feed for 2D steering of antenna arrays

Inventor: Marek Klemes


July 14, 2020

Pseudo-doppler receiving architecture for OAM and MIMO transmissions

Inventor: Marek Klemes


July 7, 2020

One pad communications

Inventor: David Mayer Hutchinson


July 7, 2020

OAM pseudo-doppler receiving architecture

Inventor: Marek Klemes


November 29, 2019

Phase-noise cancellation apparatus and method

Inventor: Marek Klemes


October 16, 2019

System and method for simple 2d phase-mode enabled beam-steering

Inventor: Marek Klemes


May 7, 2019

Phase-mode feed network for antenna arrays

Inventor: Marek Klemes


December 4, 2018

Sparse phase-mode planar feed for circular arrays

Inventor: Marek Klemes  (see Dr. Klemes' works on ResearchGate)


June 20, 2017

Beam-steering apparatus for an antenna array

Inventor: Marek Klemes


August 9, 2016

Simple 2D phase-mode enabled beam-steering means

Inventor: Marek Klemes


January 29, 2008

Bragg-cell application to high probability of intercept receiver

Inventor: Cornell Drentea


October 9, 2007

Multi-probes as single RF tuning element for RF slide-screw tuners

Inventor: Philippe Boulerne


November 21, 2006

Ultra-wideband fully synthesized high-resolution receiver and method

Inventor: Cornell Drentea


May 9, 2006

Harmonic rejection tuner

Inventor: Philippe Boulerne


March 7, 2006

Harmonic reflective load-pull tuner

Inventor: Philippe Boulerne


January 31, 2006

Interferometric load-pull tuner

Inventor: Philippe Boulerne


December 27, 2005

Slide-Screw tuner with single corrugated slug

Inventor: Philippe Boulerne


April 19, 2005

Direct sampling GPS receiver for anti-interference operations

Inventor: Cornell Drentea


October 27, 1998

Method and apparatus for recording and managing communications for transcription

Inventor Jay Zebryk


December 4, 1990

Credit/calling card pay telephone method and system employing telephone unit local card-checking and other intelligence cooperative with local personal host computer

Inventor Jay Zebryk


June 5, 1990

Vectorial adaptive filtering apparatus with convergence rate independent of signal parameters

Inventor: Marek Klemes

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