| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | Argentina | 1 | |
| #3 | Australia | 1 | |
| #4 | Belgium | 1 | |
| #5 | Brazil | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | Germany | 1 | |
| #8 | Denmark | 1 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | Spain | 1 | |
| #11 | France | 1 | |
| #12 | United Kingdom | 1 | |
| #13 | Greece | 1 | |
| #14 | Israel | 1 | |
| #15 | Japan | 1 | |
| #16 | Mexico | 1 | |
| #17 | Norway | 1 | |
| #18 | Poland | 1 | |
| #19 | Romania | 1 | |
| #20 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Faldi Giovanni | 11 |
| #2 | Faldi G | 3 |
| #3 | Chesi Elio | 1 |
| #4 | Jiyobuanni Fuarudei | 1 |
| #5 | Faldi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2924679A1 | PUMP SYSTEM | |
| JPS557387A | Piping apparatus | |
| GB2017787A | Apparatus for the subaqueous entrenching of pipes | |
| IT7821459D0 | Underwater pipe trench digging machine - has depth controlled heads to form trenches at sides with central region dug away separately |