Michael Hahn
52Patents
11h-index
64Co-inventors
81Inventor score
Filing activity: Jun 13, 1980 → Sep 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4732542A | Large airfoil structure and method for its manufacture | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4643646A | Large airfoil structure and method for its manufacture | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4412784A | Monocoque type rotor blade | Emerging Cross-Sectional Technologies | 53 | Expired |
| US10331303B1 | System, method, and apparatus for maintaining and updating a common message user interface in a group based communication system | Electricity | 26 | Active |
| US4494910A | Large surface structural component, especially rotor blade | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4417419A | Window assembly for automotive vehicles | Performing Operations; Transporting | 22 | Expired |
| US4778343A | Rotor structure, especially for a rotary wing aircraft | Performing Operations; Transporting | 19 | Expired |
| US4690616A | Rotor structure, especially for rotary wing aircraft | Performing Operations; Transporting | 16 | Expired |
| US6002693A | Method and system for routing messages in a telecommunication network using an expanded signalling link selector field | Electricity | 16 | Expired |
| US5746848A | Profiled vehicle tire and method for dimensioning the optimum phase offset between adjacent tread portions | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4547127A | Wing mounting for a rotary wing aircraft | Performing Operations; Transporting | 12 | Expired |
| US4592701A | Rotor blade, especially for a rotary wing aircraft | Performing Operations; Transporting | 11 | Expired |
| US11481236B1 | Collaboration hub for a group-based communication system | Electricity | 11 | Active |
| US10585562B2 | System, method, and apparatus for maintaining and updating a common message user interface in a group based communication system | Electricity | 10 | Active |
| US8991863B2 | Locking device for an adjustable steering column | Performing Operations; Transporting | 10 | Active |
| US4690615A | Rotor, especially for rotary wing aircraft | Performing Operations; Transporting | 8 | Expired |
| US4786236A | Rotor, especially for rotary wing aircraft | Performing Operations; Transporting | 7 | Expired |
| US6431613B1 | Pipe connection with a connecting portion formed onto the pipe | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US11178088B1 | Snippet(s) of content associated with a communication platform | Electricity | 7 | Active |
| US8398613B1 | Method and apparatus for draining fluid from an organism | Human Necessities | 5 | Active |
| US10900421B2 | Direct feedback regarding metered flow of fuel system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US11620598B2 | Electronic board associated with a communication platform | Physics | 3 | Active |
| US11829786B2 | Collaboration hub for a group-based communication system | Electricity | 2 | Active |
| US9308931B2 | Assembly comprising a first cam carrier | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10950900B2 | Test cell station for at least one electrochemical test cell | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.