| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 12 | |
| #2 | Switzerland | 7 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Manufacturing processes | |
| #2 | Electric discharge tubes | |
| #3 | Electric incandescent lamps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leopoldo Sanchez-Vello | 6 |
| #2 | Sanchez Vello Leopoldo | 3 |
| Publication | Filing date | Title |
|---|---|---|
| ES125383A1 | A method for preventing the formation of blisters or scratches on the surface of molten glass by its contact with the metal walls. | |
| ES118365A1 | A method of manufacturing glass tube by means of the special machine described. | |
| US1861167A | Bulb, tube, or other hermetically closed receptacle for incandescent electric lamps and similar devices and process of manufacture of the same |