Mark A. Kappel
21Patents
7h-index
28Co-inventors
69Inventor score
Filing activity: Aug 17, 1990 → Apr 23, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6431909B1 | DIN rail attachment method and apparatus | Electricity | 55 | Expired |
| US6493202B2 | Electromagnetic operator for an electrical contactor and method for controlling same | Electricity | 14 | Expired |
| US6194984A | Movable contact assembly for an electrical contactor | Electricity | 13 | Expired |
| US5587861A | Method for interrupting electrical power between two conductors | Electricity | 13 | Expired |
| US6779256B2 | Interposer extraction tool | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6417749B1 | Electric contactor housing | Electricity | 9 | Expired |
| US8171855B2 | Rail plate inserter | Fixed Constructions | 8 | Active |
| US5579198A | Apparatus for interrupting electrical power between two conductors | Electricity | 7 | Expired |
| US6411489B1 | Electromagnetic operator for an electrical contactor and method for controlling same | Electricity | 6 | Expired |
| US7236562B2 | Method of assembly and thermal management of CT detector electronics circuits | Human Necessities | 6 | Expired |
| US5261470A | Wheelchair traction device for snow and ice | Performing Operations; Transporting | 5 | Expired |
| US8534195B2 | Rail plate inserter | Fixed Constructions | 5 | Active |
| US5864453A | Apparatus for interrupting electrical power between two conductors | Electricity | 4 | Expired |
| US6198614A | Electrical contactor and method for controlling same | Electricity | 4 | Expired |
| US6233131A | Electromagnetic operator for an electrical contactor and method for controlling same | Electricity | 4 | Expired |
| US6726489B2 | Protective housing for a high density electrical connector | Electricity | 3 | Expired |
| US7655915B2 | Collimator assembly for computed tomography system | Physics | 3 | Active |
| US5033993A | Positive, drive conversion kit for motorized wheelchair | Human Necessities | 2 | Expired |
| US6282076A | Method for controlling an electromagnetic operator of an electrical device | Electricity | 1 | Expired |
| US7074056B2 | Electrostatic discharge protective boot for a connector | Electricity | 1 | Expired |
| US6902430B2 | Connector housing retainer | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.