Inventor · Howe, TX, US

Danny A. Johnson

2Patents
2h-index
2Co-inventors
27Inventor score

Filing activity: Sep 29, 2000 → Sep 5, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6651486B1 Standup pressure testing device and method Physics 17 Expired
US6832623B2 Gas meter valve and method Emerging Cross-Sectional Technologies 4 Expired

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