P

Inventor

KNOWLES PATRICK J

US8 patents
⚠️ This page may combine multiple inventors who share the name “KNOWLES PATRICK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTINGHOUSE ELECTRIC CORP

3 patents
US5754146AMay 19, 1998

Helical antenna having a parasitic element and method of using same

WESTINGHOUSE ELECTRIC CORP20 citations91
US5291155AMar 1, 1994

Microwave buffer

WESTINGHOUSE ELECTRIC CORP10 citations72
US5258769ANov 2, 1993

Ominidirectional ground plane effect radiator

WESTINGHOUSE ELECTRIC CORP2 citations61

NORTHROP GRUMMAN CORP

2 patents
US6518934B1Feb 11, 2003

Parasitically driven dipole array

NORTHROP GRUMMAN CORP5 citations53
US6617942B1Sep 9, 2003

Hybrid multi-pole gain zero filter element

NORTHROP GRUMMAN CORP1 citations42

FERRERI ARNOLD L

1 patent
US9653816B2May 16, 2017

Antenna system

FERRERI ARNOLD L32 citations84

(unassigned)

1 patent
US5874927AFeb 23, 1999

Tilted element antenna having increased effective aperture and method therefor

8 citations72

WATERMAN TIMOTHY G

1 patent
US12456786B2Oct 28, 2025

Spherical dielectric structures for storing electromagnetic energy

WATERMAN TIMOTHY G0 citations41