Inventor · Chagrin Falls, OH, US

Karl E. Axthelm

7Patents
4h-index
4Co-inventors
46Inventor score

Filing activity: Aug 29, 2001 → Mar 29, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6997419B1 Adjustable gage plate assembly Fixed Constructions 5 Expired
US6517008B1 Boltless adjustable rail brace assembly with external vertical restraint Fixed Constructions 5 Expired
US7641128B2 Rail brace assembly Fixed Constructions 4 Active
US8313041B2 Rail brace assembly Fixed Constructions 4 Active
US8561916B1 Movable bridge joint, associated support and rail bridge panel containing same Fixed Constructions 3 Active
US8720793B1 Movable bridge joint guard arrangement with replaceable guard plate insert Fixed Constructions 0 Active
US8840035B1 Movable bridge joint, associated support and rail bridge panel containing same Fixed Constructions 0 Active

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