With an incredible number of patents Junghans is one of the most innovative watch companies. Out of more than 3,000 patents here is a small selection that document a few important milestones. The patents are filed in PDF format.
Titel/Link | V-Nr. | A-Datum | V-Datum | Erfinder |
---|---|---|---|---|
Fine adjusment Sektorverzahnung | DE000001037375A | 02.01.1953 | 21.08.1958 | Victor Storz; August Mager; Schramberg |
Titel/Link | V-nr. | A-date | V-date | Inventor |
---|---|---|---|---|
Wristlet Watch with Alarm Arrangement | GB000000686214A | 26.Feb.1951 | 21.Jan.1953 | Helmut Junghans; Albert Letsche |
Armbanduhr | DE000000902837B | 02.Aug.1951 | 10.Dec.1953 | Helmut Junghans; Albert Letsche |
Schallkörper für Weckeruhren | DE000000905115B | 31.Jul.1952 | 14.Jan.1954 | Helmut Junghans; Albert Letsche |
Schallkörper für Weckeruhren | DE000000902479B | 29.May.1952 | 03.Dec.1953 | Helmut Junghans; Albert Letsche |
Armband-Weckeruhr | DE000000905114B | 03.Jul.1952 | 14.Jan.1954 | Helmut Junghans; Albert Letsche |
Alarm Timepiece Sounding Device | US000002786326A | 05.Jun.1951 | 26.May.1957 | Helmut Junghans; Albert Letsche |
Because of the patent dispute on the use of the diaphragm base with Vulcain here are also linked the patents of Vulcain:
Titel/Link | V-Nr. | A-Date | V-Date | Erfinder |
---|---|---|---|---|
Montre-bracelet-réveil | CH000000375664A | 30.Oct.1956 | 30.Sep.1959 | Robert Ditisheim; Henri Robert |
Montre-bracelet étanche | CH000000375664A | 15.Nov.1963 | 15.Apr.1964 | Jean Hofner |
Armbanduhr mit Weckwerk | DE000001212894A | 14.Feb.1957 | 17.Mar.1966 | Robert Ditisheim; Henri Robert |
Armbanduhr mit Weckwerk | DE000001212894B | 17.Mar.1966 | 22.Sep.1966 | Robert Ditisheim; Henri Robert |
Alarm Wrist Watch | US000002644294A |
24.Mar.1952 in Switzerland: 27.Sep.1943 |
07.Jul.1953 | Robert Ditisheim |
Alarm Wrist-Watches | US000002929197A | 01.Feb.1957 in Switzerland 19.Mai.1956 | 22.Mar.1960 | Robert Ditisheim; Henri Robert |
Titel/Link | V-Nr. | A-Datum | V-Datum | Erfinder |
---|---|---|---|---|
Selbstaufzuguhr | DE000001056543A | 19.Apr.1952 | 30.Apr.1959 | Kurt von Zeppelin; Kuno Trick; Theo Schulte; Albert Letsche |