Inventor · Pittsburgh, PA, US

John Lang

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

Filing activity: Mar 10, 1977 → Oct 29, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5067532A Apparatus for filling self-sealing tubes Performing Operations; Transporting 91 Expired
US4364490A Refuse receptacle with bag liners supplied through the bottom from replaceable liner supply packages Performing Operations; Transporting 37 Expired
US4087309A Apparatus for sealing lap joints of fusible roofing sheets Emerging Cross-Sectional Technologies 26 Expired
US4239581A Apparatus for sealing lap joints of fusible roofing sheets Emerging Cross-Sectional Technologies 23 Expired
US6160934A Hollow lensing duct Physics 10 Expired

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