Inventor · Houston, TX, US

John E. Kotrla

2Patents
2h-index
2Co-inventors
38Inventor score

Filing activity: Jan 16, 1991 → Aug 19, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US8657013B2 Riser system Fixed Constructions 6 Active
US5116095A Apparatus for lifting heavy equipment Fixed Constructions 3 Expired

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