Inventor
CARLSON RICHARD C
US34 patents
⚠️ This page may combine multiple inventors who share the name “CARLSON RICHARD C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELTECH SYSTEMS CORP
15 patentsUS6071570AJun 6, 2000
Electrodes of improved service life
ELTECH SYSTEMS CORP45 citations96
US5545262AAug 13, 1996
Method of preparing a metal substrate of improved surface morphology
ELTECH SYSTEMS CORP46 citations96
US5314601AMay 24, 1994
Electrodes of improved service life
ELTECH SYSTEMS CORP37 citations96
US5578176ANov 26, 1996
Method of preparing electrodes of improved service life
ELTECH SYSTEMS CORP25 citations92
US6309523B1Oct 30, 2001
Electrode and electrolytic cell containing same
ELTECH SYSTEMS CORP40 citations90
US5989396ANov 23, 1999
Electrode and electrolytic cell containing same
ELTECH SYSTEMS CORP37 citations90
US4586562AMay 6, 1986
Plate and frame heat exchanger assembly with anodic protection
ELTECH SYSTEMS CORP38 citations88
US5672394ASep 30, 1997
Electrodes of improved service life
ELTECH SYSTEMS CORP17 citations82
US5435896AJul 25, 1995
Cell having electrodes of improved service life
ELTECH SYSTEMS CORP13 citations82
US5366598ANov 22, 1994
Method of using a metal substrate of improved surface morphology
ELTECH SYSTEMS CORP5 citations74
US5324407AJun 28, 1994
Substrate of improved plasma sprayed surface morphology and its use as an electrode in an electrolytic cell
ELTECH SYSTEMS CORP17 citations74
US5262040ANov 16, 1993
Method of using a metal substrate of improved surface morphology
ELTECH SYSTEMS CORP13 citations74
US5230780AJul 27, 1993
Electrolyzing halogen-containing solution in a membrane cell
ELTECH SYSTEMS CORP7 citations74
US5167788ADec 1, 1992
Metal substrate of improved surface morphology
ELTECH SYSTEMS CORP18 citations74
US5141563AAug 25, 1992
Molten salt stripping of electrode coatings
ELTECH SYSTEMS CORP11 citations71
METROM RAIL LLC
10 patentsUS10778363B2Sep 15, 2020
Methods and systems for decentralized rail signaling and positive train control
METROM RAIL LLC15 citations92
US9731738B2Aug 15, 2017
Rail vehicle signal enforcement and separation control
METROM RAIL LLC14 citations91
US9043131B2May 26, 2015
Collision avoidance system for rail line vehicles
METROM RAIL LLC19 citations91
US11700075B2Jul 11, 2023
Methods and systems for decentralized rail signaling and positive train control
METROM RAIL LLC6 citations83
US11349589B2May 31, 2022
Methods and systems for decentralized rail signaling and positive train control
METROM RAIL LLC9 citations83
US12397832B2Aug 26, 2025
Rail vehicle signal enforcement and separation control
METROM RAIL LLC1 citations73
US12122436B2Oct 22, 2024
Methods and systems for worker protection system with ultra-wideband (UWB) based anchor network
METROM RAIL LLC2 citations70
US11780481B2Oct 10, 2023
Methods and systems for worker protection system with ultra-wideband (UWB) based anchor network
METROM RAIL LLC2 citations70
US11492027B2Nov 8, 2022
Methods and systems for worker protection system with ultra-wideband (UWB) based anchor network
METROM RAIL LLC2 citations70
US12258058B2Mar 25, 2025
Rail vehicle signal enforcement and separation control
METROM RAIL LLC1 citations63
CARLSON RICHARD C
5 patentsUS8812227B2Aug 19, 2014
Collision avoidance system for rail line vehicles
CARLSON RICHARD C28 citations90
US8752797B2Jun 17, 2014
Rail line sensing and safety system
CARLSON RICHARD C12 citations81
US10896589B2Jan 19, 2021
Safety vest for use in worker protection systems
CARLSON RICHARD C2 citations72
US4181125AJan 1, 1980
Portable traction device
CARLSON RICHARD C17 citations66
US8142898B2Mar 27, 2012
Smooth surface morphology chlorate anode coating
CARLSON RICHARD C0 citations49