Andreas Stihl
82Patents
0Active
82Granted
38Portfolio score
Filing activity: Feb 21, 1978 → Apr 23, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5152631A | Positive-engaging coupling for a portable handheld tool | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5287832A | Starting device for an internal combustion engine | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5065476A | Handle arrangement for a handheld portable tool | Performing Operations; Transporting | 48 | Expired |
| US5220774A | Cutting filament for a vegetation cutter | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5102436A | Prefilter for an air filter of an internal combustion engine | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4890690A | Exhaust gas muffler for a two-stroke engine | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5046566A | Portable handheld tool having a handle arrangement decoupled by antivibration elements | Performing Operations; Transporting | 34 | Expired |
| US4461055A | Portable sweeping device | Human Necessities | 33 | Expired |
| US5184403A | Motor-driven chain saw having a lubricating oil pump | Emerging Cross-Sectional Technologies | 33 | Expired |
| USD361336S | Engine for a trimmer | General | 30 | Expired |
| US5345686A | Cutting arrangement for a motor-driven chain saw | Performing Operations; Transporting | 26 | Expired |
| US4817738A | Portable handheld motor-driven tool | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4841824A | Saw chain for a chain saw | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5774993A | Hand-held working tool, especially trimmer or edge cutter | Human Necessities | 22 | Expired |
| US5477841A | Magnetic ignition system | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4594780A | Brake arrangement for a chain saw | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5272813A | Portable handheld work apparatus | Performing Operations; Transporting | 21 | Expired |
| US4866846A | Cutterhead for a vegetation cutter | Human Necessities | 21 | Expired |
| US5018492A | Work apparatus having one handle for one-handed operation | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4693007A | Guide bar for a chain saw | Performing Operations; Transporting | 21 | Expired |
| US4402138A | Safety device | Performing Operations; Transporting | 20 | Expired |
| US5243764A | Motor-driven chain saw | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5704257A | Securing mechanism for securing a drive shaft of a rotating tool member of a working tool | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5233945A | Portable handheld work apparatus | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4370810A | Portable motor chain saw | Mechanical Engineering; Lighting; Heating | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.