Inventor · disambiguated record
Helmut Franz
Also filed as: FRANZ HELMUT
49 granted patents·2 pending applications·1,420 citations·filing 1973–2018
99Inventor score
Top patents by PatentIndex Score
51 records- 0197US5523162AWater repellent surface treatment for plastic and coated plastic substratesPPG INDUSTRIES INC·Filed 1994·Granted Jun 4, 1996·159 cites·18 claims
- 0297US3935351AMultiple glazed windows including selective reflecting metal/metal oxide coatingsPPG INDUSTRIES INC·Filed 1974·Granted Jan 27, 1976·66 cites·1 claims
- 0396US4081934ASeasonably adjustable windowPPG INDUSTRIES INC·Filed 1977·Granted Apr 4, 1978·81 cites·25 claims
- 0494US4332861APlastic surface treatmentPPG INDUSTRIES INC·Filed 1980·Granted Jun 1, 1982·89 cites·10 claims
- 0593US4983459AChemically reacted glass surfacePPG INDUSTRIES INC·Filed 1990·Granted Jan 8, 1991·87 cites·10 claims
- 0692US3944440ASelective reflecting metal/metal oxide coatings using surfactant to promote uniform oxidationPPG INDUSTRIES INC·Filed 1974·Granted Mar 16, 1976·35 cites·7 claims
- 0791US4066430AMethod of tempering in a fluidized quenching mediumPPG INDUSTRIES INC·Filed 1976·Granted Jan 3, 1978·29 cites·21 claims
- 0888US5026597ASoluble polymer interleaving materialPPG INDUSTRIES INC·Filed 1987·Granted Jun 25, 1991·54 cites·17 claims
- 0988US4301197ASiloxane release surfaces on glassPPG INDUSTRIES INC·Filed 1979·Granted Nov 17, 1981·45 cites·7 claims
- 1087US5308705AWater repellent surface treatmentPPG INDUSTRIES INC·Filed 1990·Granted May 3, 1994·54 cites·10 claims
- 1187US3931790AAngled crossfire rinsesPPG INDUSTRIES INC·Filed 1973·Granted Jan 13, 1976·28 cites·14 claims
- 1286US6469119B2Siloxane organic hybrid polymersPPG IND OHIO INC·Filed 2001·Granted Oct 22, 2002·21 cites·5 claims
- 1385US4997684AMethod of using perfluoroalkylsilanes to lower the surface energy of glassPPG INDUSTRIES INC·Filed 1990·Granted Mar 5, 1991·51 cites·10 claims
- 1481US4106697ASpraying device with gas shroud and electrostatic charging means having a porous electrodePPG INDUSTRIES INC·Filed 1976·Granted Aug 15, 1978·51 cites·38 claims
- 1578US6180248B1Siloxane organic hybrid polymersPPG IND OHIO INC·Filed 1991·Granted Jan 30, 2001·28 cites·6 claims
- 1677US4254046AMethod for making dimethyltin difluoridePPG INDUSTRIES INC·Filed 1979·Granted Mar 3, 1981·10 cites·6 claims
- 1776US4154638ACoupling agent for bonding an organic polymer to an inorganic surfacePPG INDUSTRIES INC·Filed 1977·Granted May 15, 1979·25 cites·6 claims
- 1873US4091128AElectroless gold plating bathPPG INDUSTRIES INC·Filed 1976·Granted May 23, 1978·22 cites·9 claims
- 1973US4083476ASnap device for manually actuated liquid-atomizing pumpsBOEHRINGER SOHN INGELHEIM·Filed 1976·Granted Apr 11, 1978·39 cites·3 claims
- 2072US4529657AMethod for lowering the surface energy of glassPPG INDUSTRIES INC·Filed 1982·Granted Jul 16, 1985·26 cites·6 claims
- 2171US5364622AMethods for preventing adhesions to organs and parts of organs by application of tissue plasminogen activator and hydroxyethylcellulose hydrogelTHOMAE GMBH DR K·Filed 1993·Granted Nov 15, 1994·38 cites·16 claims
- 2270US4072772ALinear curtain spray applicatorPPG INDUSTRIES INC·Filed 1973·Granted Feb 7, 1978·20 cites·3 claims
- 2368US4276350AFluorocarbon treatment for reducing the reactivity of a glass surface and productPPG INDUSTRIES INC·Filed 1979·Granted Jun 30, 1981·20 cites·10 claims
- 2467US4263371AOrganotin treatment for reducing the reactivity of a glass surfacePPG INDUSTRIES INC·Filed 1979·Granted Apr 21, 1981·19 cites·7 claims
- 2567US4065626AGold-appearing films of copper, nickel and copper oxide layersPPG INDUSTRIES INC·Filed 1975·Granted Dec 27, 1977·21 cites·6 claims
- 2665US10619795B2Monitoring apparatus for pressure vesselsLINDE AG·Filed 2016·Granted Apr 14, 2020·1 cites·43 claims
- 2765US5547129ALow profile spray assemblyPPG INDUSTRIES INC·Filed 1994·Granted Aug 20, 1996·34 cites·20 claims
- 2863US4489106ATwo step interleaving methodPPG INDUSTRIES INC·Filed 1982·Granted Dec 18, 1984·15 cites·8 claims
- 2961US5707412AMethod of reducing glass sheet markingPPG INDUSTRIES INC·Filed 1995·Granted Jan 13, 1998·25 cites·17 claims
- 3060US3991758APharmaceutical single-dose containerBOEHRINGER SOHN INGELHEIM·Filed 1975·Granted Nov 16, 1976·24 cites·16 claims
- 3159US5713986AResist material for deletion of coatingsPPG INDUSTRIES INC·Filed 1995·Granted Feb 3, 1998·21 cites·13 claims
- 3259US5578305AMethods and preparations for preventing adhesions to organs and parts of organsTHOMAE GMBH DR K·Filed 1994·Granted Nov 26, 1996·16 cites·32 claims
- 3359US5527831APharmaceutical composition for topical application to the eye for treating increased intraocular pressureBASOTHERM GMBH·Filed 1993·Granted Jun 18, 1996·21 cites·9 claims
- 3455US3930500APharmaceutical single-dose container for the eyeBOEHRINGER SOHN INGELHEIM·Filed 1973·Granted Jan 6, 1976·14 cites·3 claims
- 3553US4144090ANon-oxidative removal of gold filmsPPG INDUSTRIES INC·Filed 1977·Granted Mar 13, 1979·12 cites·6 claims
- 3651US4578203APolymer solution working fluid for finishing processesPPG INDUSTRIES INC·Filed 1983·Granted Mar 25, 1986·9 cites·18 claims
- 3750US4530889AAcidified powdered interleavingPPG INDUSTRIES INC·Filed 1981·Granted Jul 23, 1985·10 cites·9 claims
- 3849US4311764APolyurethane surface treatment and resulting monomolecular layered articlePPG INDUSTRIES INC·Filed 1980·Granted Jan 19, 1982·10 cites·10 claims
- 3949US4205974AGlass welding using aqueous colloidal graphite with improved wetting propertiesPPG INDUSTRIES INC·Filed 1979·Granted Jun 3, 1980·10 cites·6 claims
- 4048US4447496AOrganotin surface treatment and interleaving material for glass sheetsPPG INDUSTRIES INC·Filed 1982·Granted May 8, 1984·10 cites·6 claims
- 4148US2020232604A1Valve having means to detect a cylinder identity upon attachmentLINDE AG·Filed 2018·Application pending·0 cites
- 4247US4529648AMethod of applying interleaving material to glass sheetsPPG INDUSTRIES INC·Filed 1981·Granted Jul 16, 1985·10 cites·16 claims
- 4347US4360544AOrganotin surface treatment and interleaving material for glass sheetsPPG INDUSTRIES INC·Filed 1981·Granted Nov 23, 1982·10 cites·9 claims
- 4445US4606946AMethod of applying interleaving material to glass sheetsPPG INDUSTRIES INC·Filed 1985·Granted Aug 19, 1986·9 cites·10 claims
- 4544US4568605AAcidified powdered interleavingPPG INDUSTRIES INC·Filed 1985·Granted Feb 4, 1986·9 cites·10 claims
- 4644US4487807AMixed acid stain inhibitorPPG INDUSTRIES INC·Filed 1982·Granted Dec 11, 1984·9 cites·10 claims
- 4741US5641576ABuffered acid interleaving for glass sheetsPPG INDUSTRIES INC·Filed 1995·Granted Jun 24, 1997·8 cites·14 claims
- 4838US5695876AMethod and composition for applying acidic interleaving material in aqueous media to glass sheetsPPG INDUSTRIES INC·Filed 1995·Granted Dec 9, 1997·8 cites·25 claims
- 4938US4454203APressing plastic with extensible coatingPPG INDUSTRIES INC·Filed 1980·Granted Jun 12, 1984·5 cites·3 claims
- 5031US2018308570A1A method and system for transferring patient specific dataLINDE AG·Filed 2016·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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