Inventor

HOOPS RICHARD H

US4 patents

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

NELSON IND INC

3 patents

US4665549AMay 12, 1987

Hybrid active silencer

NELSON IND INC139 citations96

US4815139AMar 21, 1989

Active acoustic attenuation system for higher order mode non-uniform sound field in a duct

NELSON IND INC82 citations95

US4811309AMar 7, 1989

Microphone probe for acoustic measurement in turbulent flow

NELSON IND INC13 citations72

NELSON IND

1 patent

US4903249AFeb 20, 1990

Rigid foraminous microphone probe for acoustic measurement in turbulent flow

NELSON IND15 citations71