| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Switzerland | 2 | |
| #4 | United States | 2 | |
| #5 | Austria | 1 | |
| #6 | Australia | 1 | |
| #7 | Belgium | 1 | |
| #8 | Canada | 1 | |
| #9 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Materials and metallurgy | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Water treatment | |
| #3 | Non-metallic elements | |
| #4 | Transport or storage devices | |
| #5 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fletcher Geoffrey Charles | 2 |
| #2 | Armstrong A | 2 |
| #3 | Armstrong Allan | 2 |
| #4 | Allan Armstrong | 1 |
| #5 | Fletcher G | 1 |
| #6 | Moores Alan | 1 |
| #7 | Geoffrey Charles Fletcher | 1 |
| #8 | Stephens Alexander | 1 |
| #9 | Stephan Laird John | 1 |
| #10 | Alexander Stephens | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1570483A | Process of obtaining hydrated dolomite lime for use in silicate brick manufacture | |
| AU4386672A | Improvements in and relating to filter systems | |
| US3810544A | Filter systems | |
| GB1383745A | Filter systems | |
| GB1364421A | Process for bonding particulate material |