Sudhir Kumar
59Patents
13h-index
93Co-inventors
87Inventor score
Filing activity: Sep 13, 1984 → Feb 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4657866A | Serum-free, synthetic, completely chemically defined tissue culture media | Emerging Cross-Sectional Technologies | 428 | Expired |
| US5477941A | On-board lubrication system for direct application to curved and tangent railroad track | Performing Operations; Transporting | 38 | Expired |
| US4930600A | Intelligent on-board rail lubrication system for curved and tangent track | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5388442A | Lubrication and adhesion testing machine | Physics | 22 | Expired |
| US4944539A | Differential creepage control system for optimizing adhesion of locomotives | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4936610A | Differential creepage control system for optimizing adhesion of locomotives | Performing Operations; Transporting | 22 | Expired |
| US4664611A | Plaster dispensing apparatus for wallboard structures | Fixed Constructions | 21 | Expired |
| US5896947A | On board lubrication systems for lubricating top of rail for cars and rail gage side/wheel flange for locomotives | Performing Operations; Transporting | 20 | Expired |
| US6585085B1 | Wayside wheel lubricator | Performing Operations; Transporting | 18 | Expired |
| US6199661A | Top-of-rail lubrication rate control by the hydraulic pulse width modulation method | Performing Operations; Transporting | 16 | Expired |
| US9021204B1 | Techniques for managing data storage | Physics | 14 | Active |
| US11182408B2 | Generating and applying an object-level relational index for images | Physics | 14 | Active |
| US4781121A | System for enhancing traction and energy efficiency in trains | Performing Operations; Transporting | 14 | Expired |
| US7216558B2 | Wheel sensor assembly for rail base mounting | Performing Operations; Transporting | 11 | Expired |
| US9581234B2 | Liquid cooled power inductor | Emerging Cross-Sectional Technologies | 10 | Active |
| US6170610A | Top of rail lubrication control responsive to brake application | Performing Operations; Transporting | 10 | Expired |
| US6076637A | Top-of-rail lubrication rate control by the hydraulic pulse width modulation method | Performing Operations; Transporting | 10 | Expired |
| US10106182B2 | Foldable cart system and method | Performing Operations; Transporting | 9 | Active |
| US10311130B1 | Dynamic page transitions in electronic content | Physics | 5 | Active |
| US7873515B2 | System and method for error reconstruction of streaming audio information | Physics | 5 | Active |
| US7513335B2 | Railroad switch lubricator | Fixed Constructions | 4 | Expired |
| US7717004B2 | Wheel sensor assembly for rail base mounting | Performing Operations; Transporting | 4 | Active |
| US9069819B1 | Method and apparatus for reliable I/O performance anomaly detection in datacenter | Physics | 3 | Active |
| US11829689B1 | Systems and methods for creating variant regions in acausal simulation models | Physics | 3 | Active |
| US9489138B1 | Method and apparatus for reliable I/O performance anomaly detection in datacenter | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.