Angelo Calderoni
13Patents
4h-index
10Co-inventors
57Inventor score
Filing activity: Jul 3, 1995 → Dec 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7004333B2 | Process for the separation of hollow glass microspheres from muds containing them | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7195730B2 | Method for making centralizers for centralising a tight fitting casing in a borehole | Fixed Constructions | 13 | Expired |
| US7845433B2 | Device and procedure for the insertion of a new drilling string-element into the drill-string of a well | Fixed Constructions | 9 | Active |
| US5637806A | Procedure for evaluating the friction characteristics of a shouldered threaded connection | Fixed Constructions | 6 | Expired |
| US8136597B2 | Method and system for the extinction of an underwater well for the extraction of hydrocarbons under uncontrolled fluid discharge conditions | Fixed Constructions | 4 | Active |
| US7055623B2 | Method for the drilling of the initial phase of deep water oil wells with an underwater well head | Fixed Constructions | 4 | Expired |
| US10113379B2 | Method of assembly of a string of elements for deepwater drilling and ultradeep obstruction element and corresponding use of the same in said drilling string | Fixed Constructions | 3 | Active |
| US8430175B2 | Equipment for intercepting and diverting a liquid circulation flow | Emerging Cross-Sectional Technologies | 1 | Active |
| US10487601B2 | Control equipment for monitoring flows of drilling muds for uninterrupted drilling mud circulation circuits and method thereof | Physics | 0 | Active |
| US10145184B2 | Anti-friction device of drilling elements | Fixed Constructions | 0 | Active |
| US9976366B2 | Valve assembly for drilling mud circulation and associated drilling elements | Fixed Constructions | 0 | Active |
| US10190375B2 | Connection device for connecting a secondary circuit to a drilling element for the circulation of drilling fluids in an oil well | Fixed Constructions | 0 | Active |
| US11767724B2 | Valve element for drilling elements, drilling elements and method for assembling the valve element to drilling elements | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.