Inventor · Longmont, CO, US

Gregory W. Haggquist

12Patents
4h-index
13Co-inventors
53Inventor score

Filing activity: Dec 22, 1998 → Feb 21, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7247374B2 Encapsulated active particles and methods for making and using the same Emerging Cross-Sectional Technologies 21 Expired
US6071660A Electrophotographic photoconductor containing high levels of polyolefins as charge transport additives Physics 14 Expired
US6998155B2 Woven materials with incorporated solids and processes for the production thereof Emerging Cross-Sectional Technologies 8 Expired
US10266986B2 Incorporation of active particles into substrates Emerging Cross-Sectional Technologies 5 Active
US6844122B2 Xerographic method for coating a material with solid particles Emerging Cross-Sectional Technologies 4 Expired
US8945287B2 Active particle-enhanced membrane and methods for making and using the same Emerging Cross-Sectional Technologies 3 Active
US6544702B1 Charge transport layers comprising hydrazones and photoconductors including the same Emerging Cross-Sectional Technologies 3 Expired
US6214502A Charge generation layers comprising binder blends and photoconductors including the same Physics 2 Expired
US6022657A Methods of making charge generation layers containing charge transport compound, and photoconductors containing the same Physics 2 Expired
US6300025A Photoconductors with polysiloxane and polyvinylbutyral blends Physics 1 Expired
US7850766B1 Systems and methods for preferentially heating active particles and articles produced thereof Emerging Cross-Sectional Technologies 1 Active
US6432597B1 Electrophotographic photoconductor containing fluorenyl-azine derivatives and triarylamine in transport layer Emerging Cross-Sectional Technologies 0 Expired

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