Inventor · disambiguated record
David J. Ulrich
Also filed as: ULRICH DAVID J · ULRICH DAVID JOHN
43 granted patents·1 pending application·4,128 citations·filing 1995–2025
99Inventor score
Files withHILL ROM SERVICES INC18HILL ROM CO INC15RIPPE BRUCE M3TRINITY GUARDION INC3TRINITY GUARDION LLC2
Top patents by PatentIndex Score
44 records- 0199US7480951B2Patient care bed with networkHILL ROM SERVICES INC·Filed 2007·Granted Jan 27, 2009·171 cites·12 claims
- 0299US6163903AChair bedHILL ROM CO INC·Filed 1998·Granted Dec 26, 2000·296 cites·36 claims
- 0399US5715548AChair bedHILL ROM CO INC·Filed 1995·Granted Feb 10, 1998·674 cites·43 claims
- 0498US8413274B2Hospital bedWEISMILLER MATTHEW W·Filed 2011·Granted Apr 9, 2013·92 cites·18 claims
- 0598US7213279B2Hospital bed and mattress having extendable foot sectionWEISMILLER MATTHEW W·Filed 2006·Granted May 8, 2007·148 cites·19 claims
- 0698US5630238ABed with a plurality of air therapy devices, having control modules and an electrical communication networkHILL ROM CO INC·Filed 1995·Granted May 20, 1997·254 cites·31 claims
- 0797US7523515B2Hospital bed and mattress having a retractable foot sectionHILL ROM SERVICES INC·Filed 2007·Granted Apr 28, 2009·73 cites·16 claims
- 0897US6684427B2Hospital bed and matress having a retractable foot sectionHILL ROM SERVICES INC·Filed 2002·Granted Feb 3, 2004·105 cites·69 claims
- 0997US6496993B2Hospital bed and mattress having a retracting foot sectionHILL ROM SERVICES INC·Filed 2001·Granted Dec 24, 2002·110 cites·32 claims
- 1097US6212714B1Hospital bed and mattress having a retracting foot sectionHILL ROM CO INC·Filed 1998·Granted Apr 10, 2001·162 cites·39 claims
- 1196US7028352B2Apparatus and method for closing hospital bed gapsHILL ROM SERVICES INC·Filed 2002·Granted Apr 18, 2006·81 cites·62 claims
- 1296US7000272B2Hospital bed and mattress having a retractable foot sectionHILL ROM SERVICES INC·Filed 2004·Granted Feb 21, 2006·101 cites·17 claims
- 1396US6351863B1Heel pressure management apparatus and methodHILL ROM SERVICES INC·Filed 2000·Granted Mar 5, 2002·120 cites·36 claims
- 1496US5745937ASupport surfaces for a bedHILL ROM CO INC·Filed 1997·Granted May 5, 1998·179 cites·12 claims
- 1595US7409735B2Dynamic cellular person support surfaceHILL ROM SERVICES INC·Filed 2005·Granted Aug 12, 2008·91 cites·26 claims
- 1695US7086107B2Mattress section supportHILL ROM SERVICES INC·Filed 2002·Granted Aug 8, 2006·82 cites·33 claims
- 1795US6499167B1Mattress section supportHILL ROM SERVICES INC·Filed 2000·Granted Dec 31, 2002·89 cites·65 claims
- 1895US5666681AHeel pressure management apparatus and methodHILL ROM CO INC·Filed 1995·Granted Sep 16, 1997·169 cites·20 claims
- 1994US7216384B2Hospital bed and mattress having a retractable foot sectionHILL ROM SERVICES INC·Filed 2005·Granted May 15, 2007·49 cites·28 claims
- 2094US5781949ARotational therapy apparatus for a bedHILL ROM CO INC·Filed 1997·Granted Jul 21, 1998·133 cites·18 claims
- 2193US7216389B2Mattress section supportHILL ROM SERVICES INC·Filed 2006·Granted May 15, 2007·38 cites·20 claims
- 2292US5970789AMethod and apparatus for evaluating a support surfaceHILL ROM CO INC·Filed 1996·Granted Oct 26, 1999·93 cites·19 claims
- 2391US5682631ABed having a reduced-shear pivot and step deck combinationHILL ROM CO INC·Filed 1995·Granted Nov 4, 1997·129 cites·17 claims
- 2490USRE43155EHospital bed and mattress having a retractable foot sectionALLEN E DAVID·Filed 2009·Granted Feb 7, 2012·52 cites·28 claims
- 2590US6119291APercussion and vibration therapy apparatusHILL ROM CO INC·Filed 1998·Granted Sep 19, 2000·133 cites·39 claims
- 2689US7222377B2Apparatus and method for closing hospital bed gapsHILL ROM SERVICES INC·Filed 2005·Granted May 29, 2007·23 cites·32 claims
- 2788US6047424ABed having modular therapy devicesHILL ROM CO INC·Filed 1997·Granted Apr 11, 2000·115 cites·20 claims
- 2885US6151739AHeel pressure management apparatus and methodHILL ROM CO INC·Filed 1997·Granted Nov 28, 2000·70 cites·13 claims
- 2982US5724685AStep deck for a bedHILL ROM CO INC·Filed 1995·Granted Mar 10, 1998·68 cites·20 claims
- 3081US7100222B2Apparatus and method for mounting hospital bed accessoriesHILL ROM SERVICES INC·Filed 2004·Granted Sep 5, 2006·36 cites·31 claims
- 3181US5692256AMattress for a hospital bedHILL ROM CO INC·Filed 1995·Granted Dec 2, 1997·76 cites·26 claims
- 3278US11284726B1Barrier for mattress and bed deckTRINITY GUARDION LLC·Filed 2020·Granted Mar 29, 2022·2 cites·21 claims
- 3378US7788747B2Apparatus and method for closing hospital bed gapsHILL ROM SERVICES INC·Filed 2009·Granted Sep 7, 2010·12 cites·19 claims
- 3477US8671478B2Mattress and bed deck coverRIPPE BRUCE M·Filed 2011·Granted Mar 18, 2014·12 cites·19 claims
- 3576US7353557B2Mattress section supportHILL ROM SERVICES INC·Filed 2007·Granted Apr 8, 2008·11 cites·11 claims
- 3675US5940910AStep deck for a bedHILL ROM CO INC·Filed 1998·Granted Aug 24, 1999·51 cites·38 claims
- 3774USD1065875SMattress coverTRINITY GUARDION INC·Filed 2024·Granted Mar 11, 2025·4 cites·1 claims
- 3874US7591034B2Apparatus and method for closing hospital bed gapsHILL ROM SERVICES INC·Filed 2007·Granted Sep 22, 2009·10 cites·21 claims
- 3968US7293305B2Apparatus and method for mounting hospital bed accessoriesHILL ROM SERVICES INC·Filed 2006·Granted Nov 13, 2007·8 cites·27 claims
- 4064USD1065876SMattress coverRIPPE BRUCE M·Filed 2024·Granted Mar 11, 2025·2 cites·1 claims
- 4162USD1101452SMattress coverTRINITY GUARDION INC·Filed 2025·Granted Nov 11, 2025·0 cites·1 claims
- 4262USD1099578SMattress coverTRINITY GUARDION INC·Filed 2025·Granted Oct 28, 2025·0 cites·1 claims
- 4362US8683627B2Mattress and bed deck coverRIPPE BRUCE M·Filed 2010·Granted Apr 1, 2014·4 cites·20 claims
- 4455US2022211189A1Barrier for mattress and bed deckTRINITY GUARDION LLC·Filed 2022·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David J. Ulrich 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 →