Inventor

CRAWFORD ROY R

US3 patents

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

CRAWFORD ROY R

1 patent

US8091375B2Jan 10, 2012

Humidity control for air conditioning system

CRAWFORD ROY R168 citations92

HELT ROBERT W

1 patent

US8702482B2Apr 22, 2014

Ventilation controller

HELT ROBERT W26 citations89

JOHNSON CONTROLS TECH CO

1 patent

US11236762B2Feb 1, 2022

Variable geometry of a housing for a blower assembly

JOHNSON CONTROLS TECH CO4 citations69