Inventor · disambiguated record
Jerome H. Ludwig
Also filed as: LUDWIG JEROME H
25 granted patents·3 pending applications·801 citations·filing 1991–2014
97Inventor score
Top patents by PatentIndex Score
28 records- 0195US6994890B2Cleaning and multifunctional coating composition containing an organosilane quaternary compound and hydrogen peroxideRESOURCE DEV LLC·Filed 2003·Granted Feb 7, 2006·68 cites·25 claims
- 0294US6345632B1Method of cleaning and passivating a fire protection systemHERC PROD INC·Filed 2000·Granted Feb 12, 2002·50 cites·13 claims
- 0393US7589054B2Clathrates of an organosilane quaternary ammonium compound and urea and methods of useRESOURCE DEV LLC·Filed 2007·Granted Sep 15, 2009·15 cites·52 claims
- 0491US6432181B1Silicone compositions, methods of making and using VOC free, non-flammable creams, pastes and powders to render nonporous surfaces water, soil and stain repellentRESOURCE DEV LLC·Filed 2000·Granted Aug 13, 2002·42 cites·60 claims
- 0590US7704313B2Surfactant-free cleansing and multifunctional liquid coating composition containing nonreactive abrasive solid particles and an organosilane quaternary compound and methods of usingRESOURCE DEV LLC·Filed 2005·Granted Apr 27, 2010·12 cites·38 claims
- 0689US7754004B2Thickened surfactant-free cleansing and multifunctional liquid coating compositions containing nonreactive abrasive solid particles and an organosilane quaternary compound and methods of usingRESOURCE DEV LLC·Filed 2007·Granted Jul 13, 2010·14 cites·56 claims
- 0788US5332494AWater control system using oxidation reduction potential sensingHERC INC·Filed 1993·Granted Jul 26, 1994·85 cites·11 claims
- 0887US5800629APipe system cleaning and in-line treatment of spent cleaning solutionHERC PROD INC·Filed 1997·Granted Sep 1, 1998·69 cites·10 claims
- 0986US8735618B2Solvent-free organosilane quaternary ammonium compositions, method of making and useLUDWIG JEROME H·Filed 2011·Granted May 27, 2014·4 cites·25 claims
- 1086US6960321B1Sterilization of fire sprinkler systemsLUDWIG JEROME H·Filed 1999·Granted Nov 1, 2005·49 cites·9 claims
- 1185US5342510AWater control system using oxidation reduction potential sensingHERC INC·Filed 1993·Granted Aug 30, 1994·63 cites·11 claims
- 1283US5360488AMethod of cleaning and maintaining water distribution pipe systemsHERC PROD INC·Filed 1993·Granted Nov 1, 1994·49 cites·11 claims
- 1382US8257780B2Therapeutic composition containing an organosilane quaternary compound and hydrogen peroxide for treating skin disorders and methods of usingOHLHAUSEN HOWARD G·Filed 2005·Granted Sep 4, 2012·10 cites·22 claims
- 1481US6676733B2Physiologically acceptable and non-corrosive silicone compositions, methods of making and using them to render surfaces water and soil repellentRESOURCE DEV LLC·Filed 2001·Granted Jan 13, 2004·41 cites·77 claims
- 1579US5885364AMethod of cleaning and maintaining potable water distribution pipe systemsHERC PROD INC·Filed 1996·Granted Mar 23, 1999·40 cites·19 claims
- 1670US9587169B2Low-toxicity, low-flammability, environmentally-safe, friction reducer fluid for hydraulic fracturingROGERS COURTNEY GENE·Filed 2014·Granted Mar 7, 2017·2 cites·4 claims
- 1766US5527395AMethod of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solutionHERC PROD INC·Filed 1994·Granted Jun 18, 1996·26 cites·23 claims
- 1864US5451335A1:1 soap compositions of acids and amines or ammonia useful in removal and prevention of scaleHERC PROD INC·Filed 1994·Granted Sep 19, 1995·24 cites·12 claims
- 1962US5895763AControlled carbonate removal from water conduit systemsHERC PROD INC·Filed 1997·Granted Apr 20, 1999·18 cites·14 claims
- 2061US5492629AMethod of cleaning scale and stains in water systems and related equipmentHERC PROD INC·Filed 1993·Granted Feb 20, 1996·28 cites·18 claims
- 2160US5494527AMethod of cleaning and maintaining hot water heatersHERC PROD INC·Filed 1994·Granted Feb 27, 1996·22 cites·5 claims
- 2258US6076536ACleaning and passivating water distribution systemsHERC PROD INC·Filed 1998·Granted Jun 20, 2000·14 cites·18 claims
- 2358US5873944AVacuum waste pipe cleaningHERC PROD INC·Filed 1997·Granted Feb 23, 1999·19 cites·35 claims
- 2457US5348679AAqueous multipurpose cleaning composition containing sulfites and glycol ethersHERC INC·Filed 1993·Granted Sep 20, 1994·19 cites·1 claims
- 2556US5322635ASoap compositions of carboxylic acids and amines useful in removal and prevention of scaleHERC INC·Filed 1991·Granted Jun 21, 1994·18 cites·9 claims
- 2652US2015024978A1Low-Toxicity, Low-Flammability, Environmentally-Safe, Friction Reducer Fluid For Hydraulic FracturingROGERS COURTNEY GENE·Filed 2014·Application pending·0 cites
- 2748US2013252858A1Low-Toxicity, Low-Flammability, Environmentally-Safe, Friction Reducer Fluid For Hydraulic FracturingCOURTNEY GENE ROGERS·Filed 2013·Application pending·0 cites
- 2843US2011271873A1Solvent-Free Organosilane Quaternary Ammonium Compositions, Method of Making and UseRESOURCE DEV LLC·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Jerome H. Ludwig 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 →