Cornelis Frederik du Toit

Person

Ellicott City, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Circularly polarized solderless antenna with frequency-scalable cir...
- Patent number 12,244,079
- Issue date Mar 4, 2025
- UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
- Justin Long
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shaped reflector dual S-band and Ka-band high gain antenna
- Patent number 11,581,663
- Issue date Feb 14, 2023
- UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
- Victor Marrero Fontanez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Earth coverage antenna system for Ka-band communication
- Patent number 10,658,756
- Issue date May 19, 2020
- UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
- Victor J. Marrero-Fontanez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ka-band high-gain earth cover antenna
- Patent number 10,476,141
- Issue date Nov 12, 2019
- UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
- Victor J. Marrero-Fontanez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 9,948,270
- Issue date Apr 17, 2018
- BlackBerry Limited
- Cornelis Frederik du Toit
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 9,768,752
- Issue date Sep 19, 2017
- BlackBerry Limited
- Cornelis Frederik du Toit
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 9,431,990
- Issue date Aug 30, 2016
- BlackBerry Limited
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Solderless circularly polarized microwave antenna element
- Patent number 8,912,974
- Issue date Dec 16, 2014
- The United State of America as represented by the Administrator of the Nation...
- David Green
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 8,896,391
- Issue date Nov 25, 2014
- BlackBerry Limited
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 8,744,384
- Issue date Jun 3, 2014
- BlackBerry Limited
- Gregory Mendolia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 8,693,963
- Issue date Apr 8, 2014
- BlackBerry Limited
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 7,969,257
- Issue date Jun 28, 2011
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 7,865,154
- Issue date Jan 4, 2011
- Paratek Microwave, Inc.
- Greg Mendolia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 7,795,990
- Issue date Sep 14, 2010
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 7,728,693
- Issue date Jun 1, 2010
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 7,714,678
- Issue date May 11, 2010
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase shifters having a tunable dielectric layer and a resistive in...
- Patent number 7,477,116
- Issue date Jan 13, 2009
- Paratek Microwave, Inc.
- Cornelis Frederick du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tracking apparatus, system and method
- Patent number 7,183,922
- Issue date Feb 27, 2007
- Paratek Microwave, Inc.
- Greg Mendolia
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Loaded line phase shifter having regions of higher and lower impedance
- Patent number 7,123,115
- Issue date Oct 17, 2006
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stacked patch antenna
- Patent number 7,109,926
- Issue date Sep 19, 2006
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stacked patch antenna and method of operation therefore
- Patent number 7,106,255
- Issue date Sep 12, 2006
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stacked patch antenna and method of construction therefore
- Patent number 7,019,697
- Issue date Mar 28, 2006
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High gain, steerable multiple beam antenna system
- Patent number 6,992,638
- Issue date Jan 31, 2006
- Paratek Microwave, Inc.
- Cornelis Frederick du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 6,864,757
- Issue date Mar 8, 2005
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Conformal frequency-agile tunable patch antenna
- Patent number 6,864,843
- Issue date Mar 8, 2005
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide to microstrip transition
- Patent number 6,794,950
- Issue date Sep 21, 2004
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nearfield calibration method used for phased array antennas contain...
- Patent number 6,771,216
- Issue date Aug 3, 2004
- Paratex Microwave Inc.
- Jaynesh Patel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable microwave devices with auto-adjusting matching circuit
- Patent number 6,759,918
- Issue date Jul 6, 2004
- Paratek Microwave, Inc.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Farfield calibration method used for phased array antennas containi...
- Patent number 6,686,873
- Issue date Feb 3, 2004
- Paratek Microwave, Inc.
- Jaynesh Patel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microstrip phase shifter
- Patent number 6,621,377
- Issue date Sep 16, 2003
- Paratek Microwave, Inc.
- Vitaly Osadchy
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Ka-BAND HIGH-GAIN EARTH COVER ANTENNA
- Publication number 20190097309
- Publication date Mar 28, 2019
- United States of America as represented by the Administrator of NASA
- Victor J. Marrero-Fontanez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tunable Microwave Devices with Auto-Adjusting Matching Circuit
- Publication number 20160336916
- Publication date Nov 17, 2016
- BlackBerry Limited
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT
- Publication number 20150042537
- Publication date Feb 12, 2015
- BlackBerry Limited
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT
- Publication number 20140118205
- Publication date May 1, 2014
- BlackBerry Limited
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tunable Microwave Devices with Auto-Adjusting Matching Circuit
- Publication number 20130169493
- Publication date Jul 4, 2013
- RESEARCH IN MOTION RF, INC.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tunable Microwave Devices with Auto-Adjusting Matching Circuit
- Publication number 20130127561
- Publication date May 23, 2013
- RESEARCH IN MOTION RF, INC.
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLDERLESS CIRCULARLY POLARIZED MICROWAVE ANTENNA ELEMENT
- Publication number 20130050048
- Publication date Feb 28, 2013
- Space Admi
- David Green
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT
- Publication number 20120119844
- Publication date May 17, 2012
- PARATEK MICROWAVE, INC.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TUNABLE MICROWAVE DEVICES WITH AUTO ADJUSTING MATCHING CIRCUIT
- Publication number 20120119843
- Publication date May 17, 2012
- PARATEK MICROWAVE, INC.
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT
- Publication number 20110063042
- Publication date Mar 17, 2011
- PARATEK MICROWAVE, INC.
- Greg Mendolia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20080169879
- Publication date Jul 17, 2008
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20080169874
- Publication date Jul 17, 2008
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20080169995
- Publication date Jul 17, 2008
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20080169880
- Publication date Jul 17, 2008
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase shifters and method of manufacture therefore
- Publication number 20070200649
- Publication date Aug 30, 2007
- Cornelis Frederick du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20070146094
- Publication date Jun 28, 2007
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20060226929
- Publication date Oct 12, 2006
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20060160501
- Publication date Jul 20, 2006
- Greg Mendolia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable dielectric phase shifters capable of operating in a digital...
- Publication number 20060006961
- Publication date Jan 12, 2006
- L. Sengupta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Phase shifters and method of manufacture therefore
- Publication number 20060006962
- Publication date Jan 12, 2006
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stacked patch antenna and method of operation therefore
- Publication number 20050116862
- Publication date Jun 2, 2005
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RF ID tag reader utlizing a scanning antenna system and method
- Publication number 20050113138
- Publication date May 26, 2005
- Greg Mendolia
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RFID tag reading system and method
- Publication number 20050110641
- Publication date May 26, 2005
- Greg Mendolia
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20050110593
- Publication date May 26, 2005
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Loaded line phase shifter
- Publication number 20050110595
- Publication date May 26, 2005
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Conformal frequency-agile tunable patch antenna
- Publication number 20040113842
- Publication date Jun 17, 2004
- Cornelis Frederik du Toit
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20030210105
- Publication date Nov 13, 2003
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable microwave devices with auto-adjusting matching circuit
- Publication number 20030206077
- Publication date Nov 6, 2003
- Cornelis Frederik du Toit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless local area network and antenna used therein
- Publication number 20030176179
- Publication date Sep 18, 2003
- Ken Hersey
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Nearfield calibration method used for phased array antennas contain...
- Publication number 20030038747
- Publication date Feb 27, 2003
- Jaynesh Patel
- H01 - BASIC ELECTRIC ELEMENTS

Cornelis Frederik du Toit

Person

Patents Grantslast 30 patents

Circularly polarized solderless antenna with frequency-scalable cir...

Shaped reflector dual S-band and Ka-band high gain antenna

Earth coverage antenna system for Ka-band communication

Ka-band high-gain earth cover antenna

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Solderless circularly polarized microwave antenna element

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Phase shifters having a tunable dielectric layer and a resistive in...

Tracking apparatus, system and method

Loaded line phase shifter having regions of higher and lower impedance

Stacked patch antenna

Stacked patch antenna and method of operation therefore

Stacked patch antenna and method of construction therefore

High gain, steerable multiple beam antenna system

Tunable microwave devices with auto-adjusting matching circuit

Conformal frequency-agile tunable patch antenna

Waveguide to microstrip transition

Nearfield calibration method used for phased array antennas contain...

Tunable microwave devices with auto-adjusting matching circuit

Farfield calibration method used for phased array antennas containi...

Microstrip phase shifter

Patents Applicationslast 30 patents

Ka-BAND HIGH-GAIN EARTH COVER ANTENNA

Tunable Microwave Devices with Auto-Adjusting Matching Circuit

TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT

TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT

Tunable Microwave Devices with Auto-Adjusting Matching Circuit

Tunable Microwave Devices with Auto-Adjusting Matching Circuit

SOLDERLESS CIRCULARLY POLARIZED MICROWAVE ANTENNA ELEMENT

TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT

TUNABLE MICROWAVE DEVICES WITH AUTO ADJUSTING MATCHING CIRCUIT

TUNABLE MICROWAVE DEVICES WITH AUTO-ADJUSTING MATCHING CIRCUIT

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Phase shifters and method of manufacture therefore

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Tunable dielectric phase shifters capable of operating in a digital...

Phase shifters and method of manufacture therefore

Stacked patch antenna and method of operation therefore

RF ID tag reader utlizing a scanning antenna system and method

RFID tag reading system and method

Tunable microwave devices with auto-adjusting matching circuit

Loaded line phase shifter

Conformal frequency-agile tunable patch antenna

Tunable microwave devices with auto-adjusting matching circuit

Tunable microwave devices with auto-adjusting matching circuit

Wireless local area network and antenna used therein

Nearfield calibration method used for phased array antennas contain...