Inventor · disambiguated record
Donald Leonard Devack
Also filed as: DEVACK DONALD L · DEVACK DONALD LEONARD
5 granted patents·176 citations·filing 1988–2001
83Inventor score
Top patents by PatentIndex Score
5 records- 0196US4848094ADroplet freezing method and apparatusUNION CARBIDE CORP·Filed 1988·Granted Jul 18, 1989·109 cites·18 claims
- 0266US6622496B2External loop nonfreezing heat exchangerPRAXAIR TECHNOLOGY INC·Filed 2001·Granted Sep 23, 2003·16 cites·32 claims
- 0364US5937656ANonfreezing heat exchangerPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Aug 17, 1999·23 cites·19 claims
- 0456US5701745ACryogenic cold shelfPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Dec 30, 1997·21 cites·10 claims
- 0536US5802858ACryogenic cooling towerPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Sep 8, 1998·7 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Donald Leonard Devack files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →