Inventor · Wakefield, MA, US

Phillip Clark

45Patents
12h-index
37Co-inventors
81Inventor score

Filing activity: Nov 23, 1987 → Aug 29, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4902481A Multi-well filtration test apparatus Performing Operations; Transporting 137 Expired
US4854094A Method for converting one or more steel shipping containers into a habitable building at a building site and the product thereof Emerging Cross-Sectional Technologies 101 Expired
US5603900A Vacuum filter device Performing Operations; Transporting 68 Expired
US5792425A Vacuum filter device Performing Operations; Transporting 56 Expired
US5141718A Test plate apparatus Performing Operations; Transporting 54 Expired
US5308580A Sample collection and analytical device Emerging Cross-Sectional Technologies 48 Expired
US5873967A Method for making a vaccum filter device Performing Operations; Transporting 33 Expired
US5674395A Multiple sample separator Performing Operations; Transporting 23 Expired
US5167924A Flow through assay apparatus and process Emerging Cross-Sectional Technologies 21 Expired
US5223133A Multi-filter analytical apparatus Physics 21 Expired
US6719896B1 Fluid-filtration receptacle with user-variable semi-permeable drain assembly Physics 17 Expired
US7588728B2 Multifunctional vacuum manifold Emerging Cross-Sectional Technologies 14 Expired
USD804653S1 Pressure vessel General 12 Active
US6627291B1 Three dimensional patterned porous structures Emerging Cross-Sectional Technologies 11 Expired
US10088398B2 Stirred cell and method of using same Performing Operations; Transporting 10 Active
US6893562B2 Underdrain for filtration membrane Emerging Cross-Sectional Technologies 10 Expired
US8919571B2 Filtration device Emerging Cross-Sectional Technologies 10 Active
US6742659B2 Multiple well plate with adhesive bonded filter Emerging Cross-Sectional Technologies 8 Expired
US7240572B2 Vacuum assisted affinity chromatography device and method Physics 7 Expired
US8557600B2 Immunoassay product and process Emerging Cross-Sectional Technologies 7 Active
US8652422B2 Immunoassay product and process Performing Operations; Transporting 5 Active
US8460618B2 Immunoassay product and process Performing Operations; Transporting 5 Active
USD679829S1 Multilayer cell culture flask General 5 Active
US6852222B2 Multiple well plate with adhesive bonded filter Emerging Cross-Sectional Technologies 5 Expired
US7112281B2 Underdrain for filtration membrane Emerging Cross-Sectional Technologies 4 Expired

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