Search RFCafe.com                           
      More Than 18,000 Unique Pages
Please support me by ADVERTISING!
Serving a Pleasant Blend of Yesterday, Today, and Tomorrow™ Please Support My Advertisers!
   Formulas & Data
Electronics | RF
Mathematics
Mechanics | Physics
     AI-Generated
     Technical Data
Pioneers | Society
Companies | Parts
Principles | Assns


 About | Sitemap
Homepage Archive
        Resources
Articles, Forums Calculators, Radar
Magazines, Museum
Radio Service Data
Software, Videos
     Entertainment
Crosswords, Humor Cogitations, Podcast
Quotes, Quizzes
   Parts & Services
1000s of Listings
 Vintage Magazines
Electronics World
Popular Electronics
Radio & TV News
QST | Pop Science
Popular Mechanics
Radio-Craft
Radio-Electronics
Short Wave Craft
Electronics | OFA
Saturday Eve Post

Software: RF Cascade Workbook
RF Stencils Visio | RF Symbols Visio
RF Symbols Office | Cafe Press
Espresso Engineering Workbook

Aegis Power  |  Alliance Test
Centric RF  |  Empower RF
ISOTEC  |  Reactel  |  RFCT
San Fran Circuits

everythingRF RF & Microwave Parts Database (h1)

TotalTemp Technologies (Thermal Platforms) - RF Cafe

Amplifier Solutions Corporation (ASC) - RF Cafe

Please Support RF Cafe by purchasing my  ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

Exodus Advanced Communications Best in Class RF Amplifier SSPAs - RF Cafe

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
US10790586B2

September 29, 2020

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

Inventor: Marek Klemes

US10715243B2

July 14, 2020

Pseudo-doppler receiving architecture for OAM and MIMO transmissions

Inventor: Marek Klemes

US10708043B2

July 7, 2020

One pad communications

Inventor: David Mayer Hutchinson

US10707927B2

July 7, 2020

OAM pseudo-doppler receiving architecture

Inventor: Marek Klemes

US9509352B2

November 29, 2019

Phase-noise cancellation apparatus and method

Inventor: Marek Klemes

EP3146594B1

October 16, 2019

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

Inventor: Marek Klemes

US10283862B2

May 7, 2019

Phase-mode feed network for antenna arrays

Inventor: Marek Klemes

 US10148009B2

December 4, 2018

Sparse phase-mode planar feed for circular arrays

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

US9686001B1

June 20, 2017

Beam-steering apparatus for an antenna array

Inventor: Marek Klemes

US9413067B2

August 9, 2016

Simple 2D phase-mode enabled beam-steering means

Inventor: Marek Klemes

US7324797B2

January 29, 2008

Bragg-cell application to high probability of intercept receiver

Inventor: Cornell Drentea

US7280012B2

October 9, 2007

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

Inventor: Philippe Boulerne

US7139545B2

November 21, 2006

Ultra-wideband fully synthesized high-resolution receiver and method

Inventor: Cornell Drentea

US7042233B1

May 9, 2006

Harmonic rejection tuner

Inventor: Philippe Boulerne

US7009463B2

March 7, 2006

Harmonic reflective load-pull tuner

Inventor: Philippe Boulerne

US6992538B1

January 31, 2006

Interferometric load-pull tuner

Inventor: Philippe Boulerne

US6980064B1

December 27, 2005

Slide-Screw tuner with single corrugated slug

Inventor: Philippe Boulerne

US6882310B1

April 19, 2005

Direct sampling GPS receiver for anti-interference operations

Inventor: Cornell Drentea

US6549614B1

October 27, 1998

Method and apparatus for recording and managing communications for transcription

Inventor Jay Zebryk

US4975942A

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

US4931977A

June 5, 1990

Vectorial adaptive filtering apparatus with convergence rate independent of signal parameters

Inventor: Marek Klemes

Exodus Advanced Communications Best in Class RF Amplifier SSPAs - RF Cafe


Innovative Power Products (IPP) RF Combiners / Dividers

RF Cascade Workbook 2018 by RF Cafe