Manmohan S. Kalsi
36Patents
20h-index
20Co-inventors
85Inventor score
Filing activity: Jun 20, 1977 → Apr 19, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5305839A | Turbine pump ring for drilling heads | Mechanical Engineering; Lighting; Heating | 107 | Expired |
| US5738358A | Extrusion resistant hydrodynamically lubricated multiple modulus rotary shaft seal | Emerging Cross-Sectional Technologies | 100 | Expired |
| US4610319A | Hydrodynamic lubricant seal for drill bits | Mechanical Engineering; Lighting; Heating | 95 | Expired |
| US6007105A | Swivel seal assembly | Emerging Cross-Sectional Technologies | 95 | Expired |
| US5678829A | Hydrodynamically lubricated rotary shaft seal with environmental side groove | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US4484753A | Rotary shaft seal | Emerging Cross-Sectional Technologies | 81 | Expired |
| US5873576A | Skew and twist resistant hydrodynamic rotary shaft seal | Mechanical Engineering; Lighting; Heating | 80 | Expired |
| US4549754A | Tool joint | Mechanical Engineering; Lighting; Heating | 77 | Expired |
| US6036192A | Skew and twist resistant hydrodynamic rotary shaft seal | Mechanical Engineering; Lighting; Heating | 66 | Expired |
| US6120036A | Extrusion resistant hydrodynamically lubricated rotary shaft seal | Emerging Cross-Sectional Technologies | 64 | Expired |
| US6460635B1 | Load responsive hydrodynamic bearing | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US6315302A | Skew resisting hydrodynamic seal | Mechanical Engineering; Lighting; Heating | 59 | Expired |
| US6334619B1 | Hydrodynamic packing assembly | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US6561520B2 | Hydrodynamic rotary coupling seal | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US6685194B2 | Hydrodynamic rotary seal with varying slope | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US6382634B1 | Hydrodynamic seal with improved extrusion abrasion and twist resistance | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US6767016B2 | Hydrodynamic rotary seal with opposed tapering seal lips | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US4124194A | Metallic seat construction for valves | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5765637A | Multiple test cased hole formation tester with in-line perforation, sampling and hole resealing means | Fixed Constructions | 33 | Expired |
| US4790393A | Valve for drilling fluid telemetry systems | Fixed Constructions | 31 | Expired |
| US4208035A | Metal gate valve seat having a flexible front lip face seal | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7052020B2 | Hydrodynamic rotary seal | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4147183A | Valve using rolamite mechanism | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7798496B2 | Rotary shaft sealing assembly | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US5862861A | Plug apparatus suitable for sealing holes of variable or roughened diameter | Fixed Constructions | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.