Inventor · disambiguated record
David Swallow
Also filed as: SWALLOW DAVID · SWALLOW DAVID H
4 granted patents·55 citations·filing 1983–2009
74Inventor score
Top patents by PatentIndex Score
4 records- 0183USD601917SEarring back claspPhyllis Carol Nolan·Filed 2009·Granted Oct 13, 2009·43 cites·1 claims
- 0228US4488515AHydraulic column choke and reamerSWALLOW DAVID H·Filed 1983·Granted Dec 18, 1984·4 cites·2 claims
- 0327US5584321AGas pressure control apparatusINT GAS APPARATUS LTD·Filed 1992·Granted Dec 17, 1996·7 cites·9 claims
- 0422US4850309ABoiler hydraulic column choke and reamer with burner control protection against a low water conditionSWALLOW DAVID H·Filed 1988·Granted Jul 25, 1989·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when David Swallow 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 →