Inventor · Morgantown, WV, US

David A. Berry

16Patents
8h-index
15Co-inventors
69Inventor score

Filing activity: Nov 7, 1979 → Dec 8, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
USD460398S1 Bullet design wheel fastener with slotted base General 40 Expired
USD469345S1 Bullet design wheel fastener with nut base General 28 Expired
US6196103A Punch guide assembly Emerging Cross-Sectional Technologies 19 Expired
US7954404B2 Punch device with adjustment subassembly as retrofit insert or as original equipment Emerging Cross-Sectional Technologies 12 Active
US4346468A High density information disc Emerging Cross-Sectional Technologies 11 Expired
US4346469A High density information disc Emerging Cross-Sectional Technologies 9 Expired
US4340629A High density information disc Emerging Cross-Sectional Technologies 9 Expired
US4351048A High density information disc lubricants Emerging Cross-Sectional Technologies 8 Expired
US4342660A High density information disc lubricants Emerging Cross-Sectional Technologies 8 Expired
USD460347S1 Shot gun cartridge design wheel fastener General 6 Expired
US5218730A Lug nut wrench Emerging Cross-Sectional Technologies 5 Expired
US8037122B2 Processing of service-oriented tasks within a grid computing environment Physics 4 Active
US4472337A Video disc processing Physics 4 Expired
US7913618B2 Punch press tool for stamping successive multicharacter impressions into a workpiece Emerging Cross-Sectional Technologies 3 Active
US7442353B1 Heat recirculating cooler for fluid stream pollutant removal Emerging Cross-Sectional Technologies 1 Expired
US10738172B2 Display panel assembly and methods of making same Emerging Cross-Sectional Technologies 0 Active

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