Inventor · Watertown, MA, US

David M. Toth

33Patents
8h-index
21Co-inventors
75Inventor score

Filing activity: Sep 29, 1983 → Jun 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6257587A Radial lip seal having protected porous dust excluder Emerging Cross-Sectional Technologies 41 Expired
US5082294A Heat conducting wear sleeve assembly for lubricant seals Emerging Cross-Sectional Technologies 20 Expired
US6276194A Apparatus and method for testing the effectiveness of dynamic seals in a dust-laden operating environment Physics 17 Expired
US5492343A Gasket assembly Mechanical Engineering; Lighting; Heating 17 Expired
US6168164A Hydrodynamic seal and method of manufacture Emerging Cross-Sectional Technologies 17 Expired
US7055828B2 Shaft seal Mechanical Engineering; Lighting; Heating 16 Expired
US6220600A Low installation/removal force wear sleeve and method of use Mechanical Engineering; Lighting; Heating 16 Expired
US7455459B2 Oil bath encoder seal Mechanical Engineering; Lighting; Heating 10 Active
US4524630A Mechanical force amplifier Emerging Cross-Sectional Technologies 8 Expired
US7419165B2 Seal assembly and method of manufacturing the same Emerging Cross-Sectional Technologies 8 Expired
US10240678B2 Radial shaft seal assembly with axially adaptive debris exclusion face lip and oil seal face lip Mechanical Engineering; Lighting; Heating 7 Active
US6705617B2 Hydrodynamic seal and method of making the same Emerging Cross-Sectional Technologies 7 Expired
US8439363B2 Dynamic radial shaft seal assembly with combination dust exclusion thrust pad Mechanical Engineering; Lighting; Heating 6 Active
US7341257B2 Integrated sensor-seal module for detecting angular position of a crankshaft Mechanical Engineering; Lighting; Heating 5 Expired
US9964175B2 Heat and vibration mounting isolator for a heat shield, heat shield assembly and method of construction thereof Emerging Cross-Sectional Technologies 5 Active
US7100924B2 Elastomeric hinged seal Mechanical Engineering; Lighting; Heating 5 Expired
US8235391B2 Radial shaft seal assembly with lubrication retention and debris exclusion feature and method of construction thereof Emerging Cross-Sectional Technologies 5 Active
US8371156B2 Compression sensor gasket assembly and method of construction Emerging Cross-Sectional Technologies 5 Active
US8500130B2 Radial shaft seal, radial shaft seal assembly and method of installation Emerging Cross-Sectional Technologies 4 Active
US8556270B2 Radial shaft seal, radial shaft seal assembly and method of installation Emerging Cross-Sectional Technologies 4 Active
US7832100B2 Seal assembly and method of manufacturing the same Emerging Cross-Sectional Technologies 4 Active
US8052152B2 Dynamic shaft seal and method of installation thereof Mechanical Engineering; Lighting; Heating 4 Active
US8573602B2 Radial shaft seal with dust exclusion and hydrodynamic sealing feature Mechanical Engineering; Lighting; Heating 3 Active
US8459654B2 Hydrodynamic seal with increased flexibility sealing element Emerging Cross-Sectional Technologies 3 Active
US9062773B2 Radial shaft seal, radial shaft seal assembly and method of installation Mechanical Engineering; Lighting; Heating 3 Active

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