| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 5 | |
| #3 | United States | 4 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Control | |
| #5 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hettich Hugo | 8 |
| #2 | Hugo Hettich | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3324645A | Securement between oscillation-imparting coil spring and balance member of timepiece | |
| GB837440A | Improvements in or relating to cock devices for mixing hot water and cold water | |
| GB752106A | Improvements in or relating to clock-work escapement mechanisms | |
| US2763123A | Fork safety means for clocks with pallet escapement | |
| GB735471A | Improvements in and relating to time pieces | |
| GB728312A | Improvements in stencilling pens |