Inventor · Hollis, NH, US

John A. Wertz

18Patents
7h-index
25Co-inventors
66Inventor score

Filing activity: Dec 23, 1992 → Feb 17, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5394555A Multi-node cluster computer system incorporating an external coherency unit at each node to insure integrity of information stored in a shared, distributed memory Physics 259 Expired
US8608817B2 Meltblown filter medium Performing Operations; Transporting 38 Active
US8679218B2 Filter media with a multi-layer structure Emerging Cross-Sectional Technologies 20 Active
US8986432B2 Meltblown filter medium, related applications and uses Emerging Cross-Sectional Technologies 17 Active
US9283501B2 Filter media with a multi-layer structure Emerging Cross-Sectional Technologies 13 Active
US10014501B2 Battery separators having a low apparent density Emerging Cross-Sectional Technologies 8 Active
US10155186B2 Fine fiber filter media and processes Performing Operations; Transporting 7 Active
US10177360B2 Battery separators with controlled pore structure Emerging Cross-Sectional Technologies 5 Active
US10155187B2 Filter media with a multi-layer structure Emerging Cross-Sectional Technologies 5 Active
US10135051B2 Battery components comprising fibers Emerging Cross-Sectional Technologies 5 Active
US10270074B2 Battery separators comprising chemical additives and/or other components Emerging Cross-Sectional Technologies 5 Active
US10535853B2 Glass compositions with leachable metal oxides and ions Emerging Cross-Sectional Technologies 2 Active
US10653986B2 Fine fiber filter media and processes Performing Operations; Transporting 1 Active
US11289771B2 Battery components comprising fibers Emerging Cross-Sectional Technologies 1 Active
US10874962B2 Fine fiber filter media and processes Performing Operations; Transporting 1 Active
US11239531B2 Battery separators with controlled pore structure Emerging Cross-Sectional Technologies 1 Active
US11458427B2 Fine fiber filter media and processes Performing Operations; Transporting 0 Active
US11804634B2 Battery components comprising fibers Emerging Cross-Sectional Technologies 0 Active

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