Inventor · disambiguated record
David L. Schardt
Also filed as: SCHARDT DAVID L
5 granted patents·6 pending applications·155 citations·filing 1991–2025
83Inventor score
Files withH TECH INC3SHOALS TECH GROUP LLC3HAYWARD IND INC2INTER CITY PRODUCTS CORP USA1MARTIN DAVID1
Top patents by PatentIndex Score
11 records- 0189US6026804AHeater for fluidsH TECH INC·Filed 1997·Granted Feb 22, 2000·79 cites·47 claims
- 0271US6082993AInduced draft heater with premixing burnersH TECH INC·Filed 1999·Granted Jul 4, 2000·37 cites·20 claims
- 0362US2025210228A1Anti-shrink back deviceSHOALS TECH GROUP LLC·Filed 2024·Application pending·0 cites
- 0461USD574938SHeat exchangerHAYWARD IND INC·Filed 2007·Granted Aug 12, 2008·12 cites·1 claims
- 0559US2025392110A1Bi-metallic all-aluminum reducing butt spliceSHOALS TECH GROUP LLC·Filed 2025·Application pending·0 cites
- 0657US2024380195A1Cable management systemsSHOALS TECH GROUP LLC·Filed 2024·Application pending·0 cites
- 0756US6321833B1Sinusoidal fin heat exchangerH TECH INC·Filed 1999·Granted Nov 27, 2001·22 cites·17 claims
- 0856US2008264617A1Heat exchangerMARTIN DAVID·Filed 2007·Application pending·0 cites
- 0956US2008223561A1Heat Exchangers and Headers ThereforHAYWARD IND INC·Filed 2008·Application pending·0 cites
- 1044US2013160471A1Refrigeration apparatus and methodWELBILT WALK INS LP·Filed 2012·Application pending·0 cites
- 1124US5186528ARemovable access panels for rooftop unitINTER CITY PRODUCTS CORP USA·Filed 1991·Granted Feb 16, 1993·5 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →