Triumph-Adler A.G.
16Patents
0Active
16Granted
27Portfolio score
Filing activity: Apr 16, 1979 → Oct 7, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4379429A | Height and inclination adjustable support shelf | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4611938A | Mechanism for raising and feeding ink ribbons in typewriters and similar machines | Performing Operations; Transporting | 30 | Expired |
| US4605325A | Ribbon cassette with releasable locking mechanism | Performing Operations; Transporting | 17 | Expired |
| USD290849S | Electronic typewriter | General | 10 | Expired |
| US4365900A | Printing plane adjusting mechanism | Performing Operations; Transporting | 9 | Expired |
| US4589788A | Mechanism for raising and transporting of print and correction ribbons | Performing Operations; Transporting | 7 | Expired |
| US4609297A | Print and correction ribbon drive system | Performing Operations; Transporting | 6 | Expired |
| US4324496A | Type disc printer | Performing Operations; Transporting | 5 | Expired |
| US4351201A | Crankshaft assembly | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4662766A | Ribbon feed increment change mechanism and coded ribbon cassette to establish feed increment | Performing Operations; Transporting | 4 | Expired |
| US4688954A | Single pass ink ribbon cassette for typewriters or similar machines | Performing Operations; Transporting | 3 | Expired |
| US4249829A | Daisy wheel typewriter | Performing Operations; Transporting | 3 | Expired |
| US4707578A | Key operated printed circuit switch | Electricity | 2 | Expired |
| US4347005A | Mechanism to facilitate type disc changes | Performing Operations; Transporting | 2 | Expired |
| USD291450S | Electronic desk calculator | General | 2 | Expired |
| USD287025S | Ribbon cartridge for typewriter or the like | General | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.