Inventor · Powell, OH, US

Paul G. Andrus

19Patents
12h-index
10Co-inventors
75Inventor score

Filing activity: Nov 26, 1976 → Nov 10, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5093147A Providing intelligible markings Physics 138 Expired
US6409252B1 Truck trailer drag reducer Performing Operations; Transporting 128 Expired
US7147270B1 Automatic rear airfoil for vehicle Performing Operations; Transporting 74 Expired
US5236347A Drag reducer for rear end of vehicle Performing Operations; Transporting 66 Expired
US8689789B2 Medical aerosol non-diluting holding chamber Human Necessities 40 Active
US5465669A Intermodal rail drag reducer with flexible enclosure between CWS Emerging Cross-Sectional Technologies 24 Expired
US5212596A Nonreflective articles Physics 17 Expired
US4494865A Providing patterns Performing Operations; Transporting 17 Expired
US8087715B2 Inflatable trailer skirt Performing Operations; Transporting 16 Active
US4063154A D. C. electrometer Physics 13 Expired
US5384571A Method of forming relief surfaces Physics 13 Expired
US7726310B2 Medical aerosol non-diluting holding chamber Human Necessities 12 Active
US4092165A Method of making a donor member mold Emerging Cross-Sectional Technologies 11 Expired
US4435828A Fluorescence laser EXAFS Physics 4 Expired
US8251063B2 Medical aerosol non-diluting holding chamber Human Necessities 3 Active
US8336950B2 Inflatable trailer skirt Performing Operations; Transporting 3 Active
US10052445B1 Dilution spacer and method for metered-dose inhaler Performing Operations; Transporting 1 Active
US11613313B2 Deployable fairing for transport vehicle Emerging Cross-Sectional Technologies 0 Active
US11504488B2 Dilution spacer and method for metered-dose inhaler Performing Operations; Transporting 0 Active

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