by positioning of the index or by regulating the length of the pendulum in dependance on the time difference with a standard

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Patents Grantslast 30 patents

Information Patent Grant
Compensator for a mechanical pendulum clock
- Patent number 5,268,881
- Issue date Dec 7, 1993
- Wolff; Harry
- Eric Damm
- G04 - HOROLOGY
Information Patent Grant
3298171
- Patent number 3,298,171
- Issue date Jan 17, 1967
- G04 - HOROLOGY
Information Patent Grant
3039261
- Patent number 3,039,261
- Issue date Jun 19, 1962
- G04 - HOROLOGY
Information Patent Grant
2738642
- Patent number 2,738,642
- Issue date Mar 20, 1956
- G04 - HOROLOGY
Information Patent Grant
2613529
- Patent number 2,613,529
- Issue date Oct 14, 1952
- G04 - HOROLOGY
Information Patent Grant
1310783
- Patent number 1,310,783
- Issue date Jul 22, 1919
- G04 - HOROLOGY
Information Patent Grant
413340
- Patent number 413,340
- Issue date Oct 22, 1889
- G04 - HOROLOGY
Information Patent Grant
337417
- Patent number 337,417
- Issue date Mar 9, 1886
- G04 - HOROLOGY
Information Patent Grant
337418
- Patent number 337,418
- Issue date Mar 9, 1886
- G04 - HOROLOGY
Information Patent Grant
337419
- Patent number 337,419
- Issue date Mar 9, 1886
- G04 - HOROLOGY
Information Patent Grant
337416
- Patent number 337,416
- Issue date Mar 9, 1886
- G04 - HOROLOGY