Inventor · Midland, MI, US

Sam L. Crabtree

13Patents
4h-index
56Co-inventors
59Inventor score

Filing activity: May 15, 2002 → Dec 23, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6860010B2 Method of forming an automotive valve cover with integral positive crankcase ventilation Emerging Cross-Sectional Technologies 10 Expired
US8562885B2 Multilayer structures having annular profiles and methods and apparatus of making the same Emerging Cross-Sectional Technologies 8 Active
US9481143B2 Multilayer structures having annular profiles Emerging Cross-Sectional Technologies 7 Active
US7235606B2 Glass-filled propylene polymer composition Chemistry; Metallurgy 7 Expired
US9701456B2 Flexible container with extendable spout Performing Operations; Transporting 4 Active
US8361621B2 Additives for the use of microwave energy to selectively heat thermoplastic polymer systems Emerging Cross-Sectional Technologies 3 Active
US10173813B2 Flexible container with pop-up spout Performing Operations; Transporting 2 Active
US10173821B2 Flexible fitment for flexible container Performing Operations; Transporting 1 Active
US11448542B2 Dosing cap with adjustable volume Physics 1 Active
US9303152B2 Use of microwave energy to selectively heat thermoplastic polymer systems Emerging Cross-Sectional Technologies 0 Active
US10155615B2 Seal bar and process for using same Performing Operations; Transporting 0 Active
US11453531B2 Dosing cap with adjustable volume Performing Operations; Transporting 0 Active
US11267189B2 Mandrel and support assembly Performing Operations; Transporting 0 Active

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