Inventor · disambiguated record
Walter Schmidt
Also filed as: SCHMIDT WALTER · SCHMIDT WALTER E
34 granted patents·4 pending applications·924 citations·filing 1977–2017
98Inventor score
Top patents by PatentIndex Score
38 records- 0197US4808200AElectrostatic precipitator power supplySIEMENS AG·Filed 1987·Granted Feb 28, 1989·148 cites·19 claims
- 0294US4566287APost mix dispensing machineSCHMIDT RICHARD J·Filed 1983·Granted Jan 28, 1986·106 cites·32 claims
- 0392US4413225AMethod of operating an electrostatic precipitatorSIEMENS AG·Filed 1981·Granted Nov 1, 1983·65 cites·4 claims
- 0489US4779182APower supply for an electrostatic filterMETALLGESELLSCHAFT AG·Filed 1986·Granted Oct 18, 1988·84 cites·10 claims
- 0587US5936826ASurge arresterASEA BROWN BOVERI·Filed 1998·Granted Aug 10, 1999·45 cites·10 claims
- 0687US5291366ASurge voltage arresterASEA BROWN BOVERI·Filed 1992·Granted Mar 1, 1994·53 cites·7 claims
- 0786US4649510AMethods and apparatus for the protection and control of computer programsSCHMIDT WALTER E·Filed 1982·Granted Mar 10, 1987·78 cites·5 claims
- 0882US9775308B2Method and apparatus for the automatic regulation of the irrigation of plantsPLANTCARE AG·Filed 2014·Granted Oct 3, 2017·6 cites·14 claims
- 0982US6594133B1Surge arresterABB SCHWEIZ AG·Filed 2000·Granted Jul 15, 2003·21 cites·15 claims
- 1081US5602710ASurge arresterABB MANAGEMENT AG·Filed 1996·Granted Feb 11, 1997·44 cites·13 claims
- 1179US5517382ASurge suppressor having looped clamping elementsABB MANAGEMENT AG·Filed 1994·Granted May 14, 1996·36 cites·14 claims
- 1277US8989907B2Process and apparatus for adequately irrigating soilSCHMIDT WALTER·Filed 2010·Granted Mar 24, 2015·6 cites·28 claims
- 1372US8001990B2Device for measuring thermal properties in a medium and method for determining the moisture content in the mediumPLANTCARE AG·Filed 2005·Granted Aug 23, 2011·7 cites·31 claims
- 1467US7369390B2Gas-insulated surge arresterABB TECHNOLOGY AG·Filed 2005·Granted May 6, 2008·4 cites·18 claims
- 1567US4432061ASystem for controlling the voltage of an electrofilterMETALLGESELLSCHAFT AG·Filed 1981·Granted Feb 14, 1984·21 cites·3 claims
- 1666US5942968AOvervoltage suppressorASEA BROWN BOVERI·Filed 1997·Granted Aug 24, 1999·18 cites·10 claims
- 1764US8862276B2Method and apparatus for the automatic regulation of the irrigation of plantsSCHMIDT WALTER·Filed 2009·Granted Oct 14, 2014·5 cites·21 claims
- 1864US4873620AVoltage supply with recovery protection for a thyristorMETALLGESELLSCHAFT AG·Filed 1983·Granted Oct 10, 1989·21 cites·9 claims
- 1963US4233039APower supply for an electric precipitatorSIEMENS AG·Filed 1978·Granted Nov 11, 1980·18 cites·2 claims
- 2061US6678141B2Electrical component with fault arc protectionABB SCHWEIZ AG·Filed 2002·Granted Jan 13, 2004·6 cites·9 claims
- 2158US4432062AMethod for optimizing the knock frequency of an electrofilter systemSIEMENS AG·Filed 1981·Granted Feb 14, 1984·15 cites·1 claims
- 2257US2017354102A1Method and apparatus for the automatic regulation of the irrigation of plantsPLANTCARE AG·Filed 2017·Application pending·0 cites
- 2356US4433281AMethod for detecting breakdowns in an electrostatic filterSIEMENS AG·Filed 1980·Granted Feb 21, 1984·15 cites·4 claims
- 2456US4354860AMethod for determining the filter current limit of an electrostatic filterSIEMENS AG·Filed 1980·Granted Oct 19, 1982·14 cites·5 claims
- 2554US5650772ADevice for indicating a faulty condition of an electrical apparatus, in particular of a surge arresterASEA BROWN BOVERI·Filed 1995·Granted Jul 22, 1997·13 cites·10 claims
- 2654US4402466ABowl cutter and mixer for foodstuffsHOEGGER & CIE AG C·Filed 1981·Granted Sep 6, 1983·14 cites·11 claims
- 2753US4670829AMethod and apparatus for supplying an electrostatic precipitator with high voltage pulsesMETALLGESELLSCHAFT AG·Filed 1986·Granted Jun 2, 1987·17 cites·4 claims
- 2852US7154728B2Active part for a surge arresterABB TECHNOLOGY AG·Filed 2004·Granted Dec 26, 2006·2 cites·9 claims
- 2950US4354152AMethod for automatic control of the voltage of an electrostatic filter at the breakdown limitSIEMENS AG·Filed 1980·Granted Oct 12, 1982·11 cites·7 claims
- 3046US5684664AMethod for the production of an insulatorASEA BROWN BOVERI·Filed 1996·Granted Nov 4, 1997·11 cites·7 claims
- 3144US2005075552A1Device and method for determining the amount of hemoglobin by means of inhalation of a predefined amount of carbon monoxideFiled 2004·Application pending·0 cites
- 3244US2008202219A1Device for Using with a Sensor for Improving Accuracy, and Sensor with an Improved AccuracyPLANTCARE AG·Filed 2006·Application pending·0 cites
- 3339US2008302002A1Watering System for Watering PlantsPLANTCARE AG·Filed 2006·Application pending·0 cites
- 3438US4081977ADe-fleshing apparatus for animal hidesUSM CORP·Filed 1977·Granted Apr 4, 1978·2 cites·1 claims
- 3537US4382805ASystem for automatically controlling the breakdown voltage limit of an electrofilterSIEMENS AG·Filed 1981·Granted May 10, 1983·5 cites·5 claims
- 3635US7289309B2Isolation apparatusABB SCHWEIZ AG·Filed 2003·Granted Oct 30, 2007·0 cites·9 claims
- 3735US6104590AElectrical apparatus, in particular a surge arrester, having an apparatus for indicating a fault currentASAE BROWN BOVERI AG·Filed 1998·Granted Aug 15, 2000·9 cites·8 claims
- 3833US6028759AElectrical apparatus, in particular a surge arrestor, having an apparatus for indicating a fault currentASEA BROWN BOVERI·Filed 1998·Granted Feb 22, 2000·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →