P

Inventor

ERICKSON DAVID J

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

LOCKHEED CORP

6 patents
US7673831B2Mar 9, 2010

Small unmanned air vehicle system for deploying and towing a sensor in a tow medium and methods related thereto

LOCKHEED CORP85 citations95
US7889601B2Feb 15, 2011

Lightweight acoustic array

LOCKHEED CORP18 citations77
US7398690B1Jul 15, 2008

Acoustic pressure sensor

LOCKHEED CORP9 citations76
US7005779B2Feb 28, 2006

Power generator employing piezoelectric materials

LOCKHEED CORP10 citations73
US7466066B2Dec 16, 2008

Longitudinally driven slotted cylinder transducer

LOCKHEED CORP6 citations71
US7679266B2Mar 16, 2010

Longitudinally driven slotted cylinder transducer

LOCKHEED CORP2 citations60

GEN ELECTRIC

2 patents
US5237543AAug 17, 1993

Moment bender transducer drive

GEN ELECTRIC7 citations68
US5204844AApr 20, 1993

Moment bender transducer

GEN ELECTRIC2 citations62

MARTIN MARIETTA CORP

1 patent
US5515342AMay 7, 1996

Dual frequency sonar transducer assembly

MARTIN MARIETTA CORP24 citations88

SPARTON CORP

1 patent
US3972018AJul 27, 1976

Electromechanical transducer

SPARTON CORP25 citations81

O C A APPLIED OPTICS INC

1 patent
US5327220AJul 5, 1994

IR interferometric apparatus and method for determining the thickness variation of an optical part wherein said optical part defines Newton interference fringe patterns

O C A APPLIED OPTICS INC7 citations68

ERICKSON DAVID J

1 patent
USD267519SJan 11, 1983

Belt mounted game carrier

ERICKSON DAVID J4 citations56