Individual holder
WELDEN DAVID P
5 granted patents·93 citations·filing 1977–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0178US4614491AMultiple burner control apparatusWELDEN DAVID P·Filed 1985·Granted Sep 30, 1986·36 cites·2 claims
- 0276US5305735ADirect fired hot water generator with more than one heat exchange zoneWELDEN DAVID P·Filed 1993·Granted Apr 26, 1994·32 cites·13 claims
- 0362US4462342AVariable stage direct field boilerWELDEN DAVID P·Filed 1982·Granted Jul 31, 1984·18 cites·9 claims
- 0433US4354481AHeating apparatusWELDEN DAVID P·Filed 1980·Granted Oct 19, 1982·4 cites·7 claims
- 0533US4147323AConcrete forming and curing apparatusWELDEN DAVID P·Filed 1977·Granted Apr 3, 1979·3 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when WELDEN DAVID P files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →