Ranbir S. Bhalla
12Patents
6h-index
3Co-inventors
51Inventor score
Filing activity: May 13, 1977 → Sep 2, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4475065A | Method of operating HID sodium lamp to minimize lamp voltage variation throughout lamp life | Electricity | 23 | Expired |
| US4103200A | Arc tube end seal and method of forming | Electricity | 22 | Expired |
| US4291250A | Arc discharge tube end seal | Electricity | 18 | Expired |
| US4152620A | High intensity vapor discharge lamp with sintering aids for electrode emission materials | Electricity | 8 | Expired |
| US4210840A | HID Lamp emission material | Electricity | 8 | Expired |
| US4479074A | High intensity vapor discharge lamp with sintering aids for electrode emission materials | Electricity | 8 | Expired |
| US4152619A | HID lamp electrode comprising barium (yttrium or rare earth metal) tungstate or molybdate | Electricity | 6 | Expired |
| US4162151A | Method of forming arc tube end seal | Chemistry; Metallurgy | 6 | Expired |
| US4321503A | HID Lamp electrode comprising barium-calcium niobate or tantalate | Electricity | 4 | Expired |
| US4123685A | HID lamp electrode comprising solid solution of dibarium calcium molybdate and tungstate | Electricity | 4 | Expired |
| US4435669A | Arc tube construction | Electricity | 3 | Expired |
| US4230964A | Color high-pressure sodium vapor lamp | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.