Pierre Maroy
19Patents
10h-index
35Co-inventors
68Inventor score
Filing activity: Aug 12, 1987 → Jun 11, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5518996A | Fluids for oilfield use having high-solids content | Emerging Cross-Sectional Technologies | 174 | Expired |
| US6312515A | Cementing compositions and the application of such compositions to cementing oil or analogous wells | Emerging Cross-Sectional Technologies | 119 | Expired |
| US6874578B1 | Cementing compositions and application of such compositions to cementing oil wells or the like | Chemistry; Metallurgy | 87 | Expired |
| US6883609B2 | Permeable cements | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6277900A | Well cementing aids | Chemistry; Metallurgy | 52 | Expired |
| US6390197B1 | Method of cementing a well in geological zones containing swelling clays or mud residues containing clays | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6656266B1 | Cementing composition and application thereof to cementing oil wells or the like | Chemistry; Metallurgy | 24 | Expired |
| US6586371B1 | Liquid compositions which reversibly viscosify or gel under the effect of shear | Chemistry; Metallurgy | 18 | Expired |
| US6511537B1 | Retarding systems and application to oil well cementing | Chemistry; Metallurgy | 15 | Expired |
| US5503672A | High temperature retarders for oil field cements, cement slurries and corresponding cementing processes | Chemistry; Metallurgy | 12 | Expired |
| US5348644A | Process and apparatus for contacting a hydrocarbon feedstock with hot solid particles in a tubular reactor with a rising fluidized bed | Performing Operations; Transporting | 10 | Expired |
| US5594050A | Cement composition containing chemically crosslinked polyvinyl alcohol (PVA) | Chemistry; Metallurgy | 9 | Expired |
| US6616751B1 | Water-selective cementing composition | Chemistry; Metallurgy | 9 | Expired |
| US7385019B2 | Polymer solutions with shear reversible properties | Chemistry; Metallurgy | 7 | Expired |
| US5013368A | Method and device for cleaning a tube in which a fluid-circulates, and their use in heat-exchanger tubes | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4882035A | Process for improving the deshafting of a heavy hydrocarbon feedstock | Chemistry; Metallurgy | 5 | Expired |
| US5069777A | Procedure for the fixed-bed sweetening of petroleum fractions | Chemistry; Metallurgy | 5 | Expired |
| US5547926A | New compositions for iron control in acid treatments for oil wells | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5972849A | Process for controlling iron | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.