Marcus Skeem
32Patents
16h-index
29Co-inventors
77Inventor score
Filing activity: Nov 14, 1996 → Sep 22, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6499547B2 | Multiple grade carbide for diamond capped insert | Performing Operations; Transporting | 132 | Expired |
| US7048081B2 | Superabrasive cutting element having an asperital cutting face and drill bit so equipped | Chemistry; Metallurgy | 132 | Expired |
| US5669943A | Cutting tools having textured cutting surface | Performing Operations; Transporting | 116 | Expired |
| US6935444B2 | Superabrasive cutting elements with cutting edge geometry having enhanced durability, method of producing same, and drill bits so equipped | Fixed Constructions | 100 | Expired |
| US6527069B1 | Superabrasive cutter having optimized table thickness and arcuate table-to-substrate interfaces | Fixed Constructions | 51 | Expired |
| US6739417B2 | Superabrasive cutters and drill bits so equipped | Fixed Constructions | 44 | Expired |
| US7497280B2 | Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same | Performing Operations; Transporting | 42 | Expired |
| US9316061B2 | High impact resistant degradation element | Fixed Constructions | 38 | Active |
| US6571891B1 | Web cutter | Fixed Constructions | 37 | Expired |
| US6817936B1 | Metal single layer abrasive cutting tool having a contoured cutting surface | Performing Operations; Transporting | 33 | Expired |
| US7188692B2 | Superabrasive cutting elements having enhanced durability, method of producing same, and drill bits so equipped | Fixed Constructions | 33 | Expired |
| US7243745B2 | Cutting elements and rotary drill bits including same | Fixed Constructions | 26 | Expired |
| US5832360A | Bond for abrasive tool | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7810588B2 | Multi-layer encapsulation of diamond grit for use in earth-boring bits | Performing Operations; Transporting | 20 | Active |
| USD674422S1 | Drill bit with a pointed cutting element and a shearing cutting element | General | 18 | Active |
| US6935940B2 | Metal single layer abrasive cutting tool having a contoured cutting surface | Performing Operations; Transporting | 17 | Expired |
| US8567532B2 | Cutting element attached to downhole fixed bladed bit at a positive rake angle | Fixed Constructions | 16 | Active |
| US8550190B2 | Inner bit disposed within an outer bit | Fixed Constructions | 13 | Active |
| US8333814B2 | Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same | Performing Operations; Transporting | 11 | Active |
| USD678368S1 | Drill bit with a pointed cutting element | General | 9 | Active |
| US7730976B2 | Impregnated rotary drag bit and related methods | Fixed Constructions | 9 | Active |
| US8800692B2 | Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools | Performing Operations; Transporting | 9 | Active |
| US8714285B2 | Method for drilling with a fixed bladed bit | Fixed Constructions | 8 | Active |
| US8616305B2 | Fixed bladed bit that shifts weight between an indenter and cutting elements | Fixed Constructions | 7 | Active |
| US6187071A | Bond for abrasive tool | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.