| # | Country | Total Patents | |
|---|---|---|---|
| #1 | India | 8 | |
| #2 | Australia | 3 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Belgium | 1 | |
| #6 | Canada | 1 | |
| #7 | Germany | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Spain | 1 | |
| #10 | France | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Hong Kong | 1 | |
| #13 | Italy | 1 | |
| #14 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Subramanian Naranammalpuram Sa | 8 |
| #2 | Subramanian Naranammalpuram S | 3 |
| #3 | Chakrabarty Jayantakumar | 1 |
| #4 | Chakrabarty J | 1 |
| #5 | Subramanian Naranammal Puram S | 1 |
| #6 | Subramanian Naranammalapuram S | 1 |
| #7 | Subramanian Naranammalpuram Sh | 1 |
| #8 | Subramanian Naranammalpuram | 1 |
| #9 | Sankaran Subramanian Naranamma | 1 |
| #10 | Subramanian Narananmalpuram Sa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0596163A1 | Novel air valve for pressure cookers and pressure cookers having the same | |
| ATA228389A | Pressure cooker and pressure release valve | |
| IT8821952D0 | Pressure regulating system for pressure cooker | |
| BE1002490A3 | Pressure control device for a pressure cooker | |
| ES2010592A6 | Pressure regulating system for pressure cooker | |
| GB8819629D0 | Pressure cooker |