Inventor · disambiguated record
David P. Welden
Also filed as: WELDEN DAVID P
10 granted patents·232 citations·filing 1977–2003
91Inventor score
Files withWELDEN DAVID P5
Top patents by PatentIndex Score
10 records- 0183US6135063ADual regulator direct-fired steam generatorFiled 1999·Granted Oct 24, 2000·60 cites·18 claims
- 0278US4614491AMultiple burner control apparatusWELDEN DAVID P·Filed 1985·Granted Sep 30, 1986·36 cites·2 claims
- 0376US5305735ADirect fired hot water generator with more than one heat exchange zoneWELDEN DAVID P·Filed 1993·Granted Apr 26, 1994·32 cites·13 claims
- 0474US5368474ADirect fired hot water generator with more than one heat exchange zoneFiled 1993·Granted Nov 29, 1994·30 cites·4 claims
- 0573US6733278B1Variable heat output burner assemblyFiled 2002·Granted May 11, 2004·17 cites·12 claims
- 0671US5775581ADual heat source heating systemFiled 1996·Granted Jul 7, 1998·31 cites·13 claims
- 0762US4462342AVariable stage direct field boilerWELDEN DAVID P·Filed 1982·Granted Jul 31, 1984·18 cites·9 claims
- 0842US6820818B1High efficiency hydronic heat systemFiled 2003·Granted Nov 23, 2004·1 cites·29 claims
- 0933US4354481AHeating apparatusWELDEN DAVID P·Filed 1980·Granted Oct 19, 1982·4 cites·7 claims
- 1033US4147323AConcrete forming and curing apparatusWELDEN DAVID P·Filed 1977·Granted Apr 3, 1979·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →