| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | Ireland | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Dredging | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schwing F | 7 |
| #2 | Schwing Friedrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA926823A | Bucket mounting for trench hoe | |
| ZA7200874B | Improvements in squeeze pumps for delivering concrete | |
| US3829251A | Squeeze pumps for delivering concrete | |
| YU31503B | Bager kasikar za izradu nasipa | |
| IE33209L | Improved concrete pump |