Inventor · New Kensington, PA, US

John J. Wilhelm

16Patents
10h-index
25Co-inventors
68Inventor score

Filing activity: Sep 18, 1978 → Dec 1, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4390042A Tube plug Emerging Cross-Sectional Technologies 58 Expired
US4671326A Dual seal nozzle dam and alignment means therefor Emerging Cross-Sectional Technologies 55 Expired
US4303368A Remote docking apparatus Performing Operations; Transporting 24 Expired
US4637588A Non-bolted ringless nozzle dam Emerging Cross-Sectional Technologies 24 Expired
US4369662A Plug installation apparatus Emerging Cross-Sectional Technologies 20 Expired
US4815845A Axial alignment aid for remote control operations and related method Physics 19 Expired
US5204622A Improved probe for inspecting tubes having mechanism for maintaining alignment of probe axis of rotation Emerging Cross-Sectional Technologies 18 Expired
US4787420A Plugging apparatus and method using a hydraulically assisted plug expander Mechanical Engineering; Lighting; Heating 17 Expired
US4581801A Sleeving method Emerging Cross-Sectional Technologies 17 Expired
US4831703A Apparatus and method for plugging a tube Emerging Cross-Sectional Technologies 14 Expired
US4537711A Fuel assembly skeleton compaction Emerging Cross-Sectional Technologies 10 Expired
US5664502A Wheel assembly capable of maintaining engagement with a rail having an uneven portion therein Performing Operations; Transporting 8 Expired
US5703916A Apparatus and method for loosening a stuck reactor vessel stud Emerging Cross-Sectional Technologies 5 Expired
US4427317A Expandable camlock Emerging Cross-Sectional Technologies 4 Expired
US5730421A Apparatus for servicing a reactor such as tensioning reactor vessel head studs Emerging Cross-Sectional Technologies 2 Expired
US5323431A Device for securing a reactor vessel washer to a reactor vessel stud Emerging Cross-Sectional Technologies 0 Expired

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