Inventor · disambiguated record
David N. Ashcraft
Also filed as: ASHCRAFT DAVID · ASHCRAFT DAVID N · ASHCRAFT SR DAVID
12 granted patents·748 citations·filing 1991–2015
93Inventor score
Files withHILL ROM CO INC5SSI MEDICAL SERVICES INC3XPRESS BOATS2ASHCRAFT DAVID1HILL ROM COMPNAY INC1
Top patents by PatentIndex Score
12 records- 0195US5647079AInflatable patient support surface systemHILL ROM CO INC·Filed 1996·Granted Jul 15, 1997·186 cites·12 claims
- 0295US5269030AApparatus and method for managing waste from patient care, maintenance, and treatmentSSI MEDICAL SERVICES INC·Filed 1991·Granted Dec 14, 1993·158 cites·72 claims
- 0394US5438721AApparatus and method for managing waste from patient care, maintenance and treatmentSSI MEDICAL SERVICES INC·Filed 1992·Granted Aug 8, 1995·134 cites·53 claims
- 0487US7870830B2Pontoon with integrated lifting strake and method for making the sameXPRESS BOATS·Filed 2008·Granted Jan 18, 2011·24 cites·11 claims
- 0587US6012186AMattress articulation structureHILL ROM COMPNAY INC·Filed 1997·Granted Jan 11, 2000·94 cites·49 claims
- 0677US5425148AConvertible footboard for a patient supportSSI MEDICAL SERVICES INC·Filed 1993·Granted Jun 20, 1995·66 cites·20 claims
- 0773US7188576B2Modular deck structure of a pontoon boatXPRESS BOATS·Filed 2004·Granted Mar 13, 2007·18 cites·2 claims
- 0873USD390574SSystems controller for an air mattressHILL ROM CO INC·Filed 1997·Granted Feb 10, 1998·18 cites·1 claims
- 0967US5944494ABlower apparatus mounted in a housing without a rigid connectionHILL ROM CO INC·Filed 1997·Granted Aug 31, 1999·30 cites·38 claims
- 1058USD392620SHand pendant with universal hanger/standHILL ROM CO INC·Filed 1996·Granted Mar 24, 1998·10 cites·1 claims
- 1157USD390236SSystems controller for an air mattressHILL ROM CO INC·Filed 1996·Granted Feb 3, 1998·10 cites·1 claims
- 1236US9801353B2Cattle immobilization apparatusASHCRAFT DAVID·Filed 2015·Granted Oct 31, 2017·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →