Inventor · Houston, TX, US

Gregory H. Chitty

6Patents
5h-index
5Co-inventors
48Inventor score

Filing activity: Aug 18, 2000 → Feb 6, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6966367B2 Methods and apparatus for drilling with a multiphase pump Fixed Constructions 16 Expired
US7178592B2 Closed loop multiphase underbalanced drilling process Fixed Constructions 10 Expired
US7066247B2 Methods and apparatus for drilling with a multiphase pump Fixed Constructions 9 Expired
US6929068B2 Non-cryogenic production of nitrogen for on-site injection in well clean out Performing Operations; Transporting 6 Expired
US6494262B1 Non-cryogenic production of nitrogen for on-site injection in well clean out Performing Operations; Transporting 6 Expired
US7654319B2 Closed loop multiphase underbalanced drilling process Fixed Constructions 4 Active

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