David A. Willems — 14 Patents at Itt

David A. Willems has been granted 14 US patents while listed as an inventor at Itt. The first was granted in 1987 and the most recent in June 2006. David A. Willems ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list David A. Willems in Hoagland, IN, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7057473	Electromagnetic broadside energy probe with integral impedance matching	—	2006-06-06	$14,620,000
6956448	Electromagnetic energy probe with integral impedance matching	—	2005-10-18	$17,576,000
5406234	Tunable microwave filter apparatus having a notch resonator	—	1995-04-11	$45,355,000
5363069	Electronically tunable gain equalizer	Virender K. Sadhir, Kenneth S. Karsten, Jr.	1994-11-08	$23,340,000
5313175	Broadband tight coupled microstrip line structures	Inder J. Bahl	1994-05-17	$22,006,000
5309006	FET crossbar switch device particularly useful for microwave applications	Victor Steel	1994-05-03	$23,218,000
5283539	Monolithic compatible, absorptive, amplitude shaping network	Virender K. Sadhir, Kenneth S. Karsten, Jr.	1994-02-01	$24,713,000
5281929	Microstrip twisted broadside coupler apparatus	—	1994-01-25	$44,457,000
5278529	Broadband microstrip filter apparatus having inteleaved resonator sections	—	1994-01-11	$14,497,000
5262740	Microstrip transformer apparatus	—	1993-11-16	$22,056,000
5180998	Switched transmission line phase shifter apparatus employing multiple jets	—	1993-01-19	$42,421,000
5172072	High efficiency harmonic injection power amplifier	Edward L. Griffin, Inder J. Bahl, Michael Pollman	1992-12-15	$18,802,000
5168242	Active-type broadband power divider	Victor Steel	1992-12-01	$9,810,000
4714904	Magnetostatic wave device unit	—	1987-12-22

David A. Willems — 14 Patents

Issued Patents All Time

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