Inventor · Smithfield, RI, US

Ray M. Hill

6Patents
5h-index
9Co-inventors
56Inventor score

Filing activity: Oct 29, 1987 → May 22, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5071337A Apparatus for forming a solid three-dimensional article from a liquid medium Performing Operations; Transporting 65 Expired
US4830261A Eddy current tool positioning system Emerging Cross-Sectional Technologies 61 Expired
US5358673A Applicator device and method for dispensing a liquid medium in a laser modeling machine Performing Operations; Transporting 60 Expired
US5885511A Method of making a solid three-dimensional article from a liquid medium Performing Operations; Transporting 59 Expired
US5667820A Apparatus for making a solid three-dimensional article from a liquid medium Performing Operations; Transporting 32 Expired
US12045774B2 Inventory management system Physics 0 Active

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