Inventor

BALL DAVID A

US5 patents

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

BATTELLE MEMORIAL INSTITUTE

2 patents

US6285178B1Sep 4, 2001

Power supply

BATTELLE MEMORIAL INSTITUTE117 citations95

US6464467B2Oct 15, 2002

Involute spiral wrap device

BATTELLE MEMORIAL INSTITUTE42 citations91

GAS RES INST

2 patents

US4667485AMay 26, 1987

Absorption refrigeration and heat pump system

GAS RES INST27 citations91

US6112741ASep 5, 2000

Mid-efficiency furnace with multiple venting option

GAS RES INST16 citations76

FIRST COMPANY INC

1 patent

US6109339AAug 29, 2000

Heating system

FIRST COMPANY INC103 citations94