| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | China | 3 | |
| #5 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Pistons and sealings | |
| #3 | Venting or aerating devices | |
| #4 | Shafts | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duineveld Petrus Nicolaas | 13 |
| #2 | Koop Laurentius Gerardus Maria | 10 |
| #3 | Langelaar Antal | 5 |
| #4 | Van Diemen Cornelis Theodorus | 4 |
| #5 | Otten Edwinus Joseph Maria | 4 |
| #6 | Langelarr Antal | 2 |
| #7 | Brogle Brend | 2 |
| #8 | Brogle Bernd | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN110073104A | Clamp arrangements for valve in reciprocating compressor cylinder | |
| WO2015149872A1 | Connecting rod with modified end | |
| KR20150139863A | Horizontal piston compressor |