Operating Mechanism Patents (Class 70/266)
- Individual blocking elements (Class 70/287)
- Complex movement or puzzle type (Class 70/289)
- Tumbler type (Class 70/291)
- Step-by-step (Class 70/313)
- Combination upsetting (Class 70/314)
- Permutation (Class 70/315)
- Operating elements (Class 70/320)
- Tampering prevention or attach defeating (Class 70/333R)
- Multiple keys (Class 70/337)
- Single key (Class 70/344)
- Permutation (Class 70/382)
- With ball or roller (Class 70/386)
- Push or pull key operation (Class 70/387)
- Key ejecting (Class 70/388)
- Key-removal preventing (Class 70/389)
- False or picking key trapping (Class 70/390)
- Operating elements (Class 70/391)
- Tampering prevention or attack defeating (Class 70/416)