Inventor

BIRCHMEIER JOHN R

US5 patents

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

LIEBERT CORP

2 patents

US6700351B2Mar 2, 2004

Modular uninterruptible power supply battery management

LIEBERT CORP145 citations96

US7453235B2Nov 18, 2008

Modular uninterruptible power supply

LIEBERT CORP38 citations89

ENTEK IRD INTERNAT CORP

1 patent

US6351714B1Feb 26, 2002

Order tracking signal sampling process

ENTEK IRD INTERNAT CORP93 citations95

GAS RES INST

1 patent

US4591792AMay 27, 1986

Method and apparatus for measuring the polarized potential of a buried or submerged structure protected by impressed current

GAS RES INST30 citations88

VERTIV CORP

1 patent

US11925006B2Mar 5, 2024

Cooling system with continuously variable capacity

VERTIV CORP0 citations49