Michael Freitag
22Patents
6h-index
25Co-inventors
69Inventor score
Filing activity: May 29, 1987 → Apr 9, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4863406A | Marine propulsion device with two piece propeller shaft assembly including spring clip for releasably preventing relative movement between propeller shaft pieces | Performing Operations; Transporting | 19 | Expired |
| US6244914A | Shift and steering control system for water jet apparatus | Performing Operations; Transporting | 13 | Expired |
| US6482055B1 | Water jet propulsion unit having linear weed grate clean-out system | Performing Operations; Transporting | 9 | Expired |
| US4959033A | Marine propulsion device cover arrangement | Performing Operations; Transporting | 8 | Expired |
| US10247468B2 | Vacuum insulation body | Emerging Cross-Sectional Technologies | 7 | Active |
| US6287162A | Bearing arrangement for drive shaft of water jet apparatus | Performing Operations; Transporting | 7 | Expired |
| US4850910A | Counter-rotation transmission | Performing Operations; Transporting | 6 | Expired |
| US6558211B2 | Low-profile steering nozzle for water jet propulsion system | Performing Operations; Transporting | 3 | Expired |
| US10871315B2 | Refrigerant circuit for a cooling and/or freezing appliance | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US4971585A | Marine propulsion device seal arrangement | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9017118B1 | Gear case assembly for a marine outboard engine and method of assembly thereof | Performing Operations; Transporting | 2 | Active |
| US10670326B2 | Vacuum-tight through-film bushing | Electricity | 2 | Active |
| US9227715B1 | Marine propulsion system gear case assembly | Performing Operations; Transporting | 1 | Active |
| US6238256A | Arrangement for mounting propulsion unit to boat hull | Performing Operations; Transporting | 1 | Expired |
| US10640278B2 | Vacuum insulation body | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10088221B2 | Vacuum insulation body | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6224435A | Inlet structure for water jet apparatus mounted to boat hull | Performing Operations; Transporting | 1 | Expired |
| US10041726B2 | Vacuum insulation body | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10295247B2 | Vacuum insulation body | Emerging Cross-Sectional Technologies | 0 | Active |
| US10119748B2 | Vacuum insulation body | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11859962B2 | Method for examining a coating of a probe surface | Physics | 0 | Active |
| US10661498B2 | Method for applying a film onto a body | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.