Inventor

SIGAFUS PAUL E

US7 patents

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

VARIDIGM CORP

3 patents

US7293718B2Nov 13, 2007

Variable output heating and cooling control

VARIDIGM CORP59 citations95

US6866202B2Mar 15, 2005

Variable output heating and cooling control

VARIDIGM CORP84 citations95

US6864659B2Mar 8, 2005

Variable speed controller for air moving applications using an AC induction motor

VARIDIGM CORP35 citations90

HONEYWELL INC

3 patents

US5236328AAug 17, 1993

Optical flame detector performance tester

HONEYWELL INC74 citations93

US5365223ANov 15, 1994

Fail-safe condition sensing circuit

HONEYWELL INC52 citations91

US5227639AJul 13, 1993

Infrared-based sensing circuit providing an output simulating the output of a flame rod sensor

HONEYWELL INC4 citations61

HONEYWELL INT INC

1 patent

US6404342B1Jun 11, 2002

Flame detector using filtering of ultraviolet radiation flicker

HONEYWELL INT INC15 citations82