| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Costa Rica | 3 | |
| #3 | Germany | 3 | |
| #4 | United States | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 | |
| #6 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Pistons and sealings | |
| #3 | Sewers | |
| #4 | Shaping clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lopez-Chaves Bernal | 5 |
| #2 | Guzowski Alan | 2 |
| #3 | Lopez-Chavez Bernal | 2 |
| #4 | Vreeken Johannes | 2 |
| #5 | Nilsson Ulf | 1 |
| #6 | Bernal Lopez-Chaves | 1 |
| #7 | Cavka Elvir | 1 |
| #8 | Vilhelmsen Mogens | 1 |
| #9 | Bichler Andreas | 1 |
| #10 | Lopez Chaves Bernal | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102017107395A1 | pipe seal | |
| US2016312933A1 | Pipe seal | |
| US2016223109A1 | Seal for belled pipe | |
| EP2703706A1 | Sealing ring for concrete pipes | |
| EP2664833A1 | Restraint Seal | |
| EP1841999A1 | Sealing ring |