| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Austria | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | Denmark | 1 | |
| #5 | Spain | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Printing machines | |
| #2 | Handling thin material | |
| #3 | Printing plates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hermann Caspar | 14 |
| #2 | Richter Georg | 3 |
| #3 | Herrmann Ernst | 1 |
| #4 | Georg Richter | 1 |
| #5 | Caspar Hermann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB118419A | Printing-surfaces, and the Production thereof. | |
| GB191301809A | Improvements in and relating to Rotary Printing Machines. | |
| GB191118214A | Printing Press for the Production of Illustrated Printing for Newspaper, Book and other Work. | |
| GB190909067A | Improvements in Sheet Feeding Apparatus for Printing Presses. | |
| US941778A | Sheet-feeding apparatus for printing-presses. |