Inventor · Milford, CT, US

Peter Hold

18Patents
12h-index
8Co-inventors
67Inventor score

Filing activity: Jan 21, 1974 → Apr 29, 1983

Most-cited inventions

PatentTitleAreaCited byStatus
US4311446A Injection molding machine controls Performing Operations; Transporting 43 Expired
US4094940A Injection molding machine controls Performing Operations; Transporting 32 Expired
US4310251A Continuous mixer internal pressure control Performing Operations; Transporting 28 Expired
US4421412A Process and apparatus for processing plastic and polymeric materials Performing Operations; Transporting 25 Expired
US4413913A Method for processing plastic and polymeric materials Performing Operations; Transporting 19 Expired
US3937776A Method for controlling injection molding machines Performing Operations; Transporting 17 Expired
US4329065A Apparatus for processing plastic and polymeric materials Performing Operations; Transporting 16 Expired
US4300842A Seals for rotary processor Performing Operations; Transporting 15 Expired
US4255059A Processing element Performing Operations; Transporting 15 Expired
US4035038A Controlled deflection roll assembly Mechanical Engineering; Lighting; Heating 13 Expired
US4491417A Devolatilizing mixing extruder Emerging Cross-Sectional Technologies 13 Expired
US4030177A Controlled deflection roll Mechanical Engineering; Lighting; Heating 12 Expired
US4227816A Rotary processor Performing Operations; Transporting 12 Expired
US4007522A Controlled deflection roll assembly Mechanical Engineering; Lighting; Heating 11 Expired
US4207004A Seals for rotary processor Performing Operations; Transporting 10 Expired
US4289319A Rotary seal construction and processor Performing Operations; Transporting 10 Expired
US4213710A Adjustable homogenization extruder Performing Operations; Transporting 5 Expired
US4152077A Homogenization extruder Performing Operations; Transporting 2 Expired

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