Ficht GmbH
16Patents
0Active
16Granted
32Portfolio score
Filing activity: Dec 29, 1980 → Jul 25, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5469828A | Fuel injection device according to the solid-state energy storage principle for internal combustion engines | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4751871A | Multisectional piston with plural ceramic parts and rigidly connected piston rod for use in horizontally opposed piston internal combustion engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4782801A | Internal combustion motor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5540206A | Fuel injection device for internal combustion engines | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5097811A | Process for operating a two-stroke internal combustion engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5520154A | Fuel injection device according to the solid-state energy storage principle for internal combustion engines | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5687050A | Electronic control circuit for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4512290A | Crank guide assembly for internal combustion engines, in particular two-stroke internal combustion engines with facing cylinders | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4715336A | Four-stroke internal combustion piston engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4589079A | Evaluation circuit for the signals from an array of N photoconductors which are successively scanned in a fast rhythm | Physics | 8 | Expired |
| US4712780A | Hydropneumatic spring suspension device | Performing Operations; Transporting | 7 | Expired |
| US4373474A | Scavenging arrangement for a two-stroke internal combustion piston engine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5131353A | Crank loop frame for a crank loop drive of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4491097A | Crank guide assembly for an internal combustion engine with at least two facing cylinders | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4966068A | Split ceramic piston ring arrangement with nested biasing ring | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4693492A | Wheel suspension using an arc spring | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.