| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Colombia | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 | |
| #4 | Canada | 3 | |
| #5 | China | 3 | |
| #6 | United States | 2 | |
| #7 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Rotary-pistons | |
| #3 | Rotary pistons | |
| #4 | Pumps | |
| #5 | Servomotors | |
| #6 | Winches | |
| #7 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ladron De Guevara Alejandro | 15 |
| #2 | Ladrón De Guevara Alejandro | 4 |
| #3 | Alejandro Ladrón De Guevara | 1 |
| #4 | Ladron De Guevara Gonzalez Alvaro Gustavo | 1 |
| #5 | Ladron De Guevara Rangel Alejandro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2014411549A1 | Hydraulic mechanical pumping unit comprising a built-in radiator | |
| CA2900416A1 | Artificial lifting system with a progressive cavity motor in the background, for oil extraction | |
| WO2014076687A2 | Safety braking system for free-falling weights | |
| CN104641071A | Hydraulic mechanical pumping unit with rocking effect |