The Indian Patent Office granted 205 patents in April, 2009. The top three consisted of BHARAT HEAVY ELECTRICALS LIMITED, which had a patent count of 7 patents, followed by TATA STEEL LIMITED with 6 patents and INDIAN INSTITUTE OF TECHNOLOGY with 4 patents. The table below shows the top twelve companies that received the maximum number of patents in the month of April, 2009.
| Sl.No. |
Name of the company |
No. of. Patents Granted |
| 1 |
BHARAT HEAVY ELECTRICALS LIMITED |
7 |
| 2 |
TATA STEEL LIMITED |
6 |
| 3 |
INDIAN INSTITUTE OF TECHNOLOGY |
4 |
| 4 |
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
3 |
| 5 |
ETHICON ENDOSURGERY INC. |
3 |
| 6 |
LIFESCAN, INC. |
3 |
| 7 |
OWENS CORNING |
3 |
| 8 |
SAINT GOBAIN GLASS FRANCE |
3 |
| 9 |
SAMSUNG ELECTRONICS CO., LTD. |
3 |
| 10 |
SANOFI AVENTIS |
3 |
| 11 |
SIEMENS AKTIENGESELLSCHAFT |
3 |
| 12 |
STEEL AUTHORITY OF INDIA LIMITED |
3 |
