Inventor · Hager City, WI, US

Ernst Schmidt

21Patents
8h-index
19Co-inventors
72Inventor score

Filing activity: Jul 2, 1986 → Jul 12, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7501064B2 Integrated electro-pressure membrane deionization system Emerging Cross-Sectional Technologies 62 Expired
US5019713A Radiation therapy device with moveable aperture plate Human Necessities 23 Expired
US6816971B2 Signature process Electricity 21 Expired
US6537436B2 System for electrodialysis treatment of liquids Emerging Cross-Sectional Technologies 19 Expired
US4716917A Tank washing system Performing Operations; Transporting 18 Expired
US7197637B2 Authorization process using a certificate Electricity 16 Expired
US8069623B2 Sleeve system and method of using Electricity 13 Active
US10597867B2 Smoke and sound barrier for a building joint system Performing Operations; Transporting 8 Active
US5839865A Device for the nonskid transport of objects on loading surfaces of motor vehicles Performing Operations; Transporting 7 Expired
US6274020A Electrodialysis membrane and gasket stack system Emerging Cross-Sectional Technologies 7 Expired
US10920417B2 Fire-resistant building joint system Fixed Constructions 6 Active
US8161696B2 Sleeve system and method of using Electricity 5 Active
US8636076B2 Method of firestopping a through-penetration using a fusible inorganic blended-fiber web Chemistry; Metallurgy 3 Active
US5887342A Method for making an electronic control unit Emerging Cross-Sectional Technologies 2 Expired
US10899646B2 Methods of separating and isolating water and other desired constituents from oilfield produced brines for reuse Emerging Cross-Sectional Technologies 2 Active
US10662644B2 Penetration firestop system Mechanical Engineering; Lighting; Heating 1 Active
US10823313B2 Smoke and sound barrier for a building penetration Electricity 0 Active
US7026477B1 Process for preparing substituted phenylsulfonylureas from sulfonyl halides Chemistry; Metallurgy 0 Expired
US7322782B2 Device for fixing and/or positioning objects in a transport container Performing Operations; Transporting 0 Expired
US11655173B2 Methods of separating and isolating water and other desired constituents from oilfield produced brines Emerging Cross-Sectional Technologies 0 Active
US12151211B2 Electro-pressure membrane method for recovery and concentration of lithium from aqueous sources Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.