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Patents

 

Patent No.

Title

1

9,669,464

Methods of deoxygenating metals having oxygen dissolved therein in a solid solution

2

9,421,612

Production of substantially spherical metal powders

3

9,388,482

Functionally graded cemented tungsten carbide with engineered hard surface and the method for making the same

4

8,956,438

Low coefficient of thermal expansion cermet compositions

5

8,936,750

Functionally graded cemented tungsten carbide with engineered hard surface and the method for making the same

6

8,435,626

Thermal degradation and crack resistant functionally graded cemented tungsten carbide and polycrystalline diamond

7

8,323,372

Low coefficient of thermal expansion cermet compositions

8

8,163,232

Method for making functionally graded cemented tungsten carbide with engineered hard surface

9

8,147,796

Hydrogen storage in a combined M.sub.xAlH.sub.6/M'.sub.y(NH.sub.2).sub.z system and methods of making and using the same

10

8,109,350

Polycrystalline abrasive composite cutter

11

7,699,904

Functionally graded cemented tungsten carbide

12

7,647,992

Polycrystalline diamond carbide composites

13

7,569,179

Functionally graded cemented tungsten carbide

14

7,264,879

Composite constructions with oriented microstructure

15

7,235,211

Rotary cone bit with functionally-engineered composite inserts

16

7,211,218

Polycrystalline diamond carbide composites

17

7,210,377

Cone erosion protection for roller cone drill bits

18

6,951,578

Polycrystalline diamond materials formed from coarse-sized diamond grains

19

6,841,260

Composite constructions with oriented microstructure

20

6,698,098

Cone erosion protection for roller cone drill bits

21

6,615,935

Roller cone bits with wear and fracture resistant surface

22

6,607,835

Composite constructions with ordered microstructure

23

6,571,889

Rotary cone bit with functionally-engineered composite inserts

24

6,536,542

Rock bit seal with multiple dynamic seal surface elements

25

6,478,887

Boronized wear-resistant materials and methods thereof

26

6,454,027

Polycrystalline diamond carbide composites

27

6,451,442

Composite constructions with oriented microstructure

28

6,406,030

O-ring seal with lubricant additives for rock bit bearings

29

6,392,190

Automated hardfacing system

30

6,361,873

Composite constructions having ordered microstructures

31

6,319,460

Metal-matrix diamond or cubic boron nitride composites

32

6,244,364

Earth-boring bit having cobalt/tungsten carbide inserts

33

6,179,296

Dual functioning seal for rock bits

34

6,170,830

Dual functioning seal for rock bits

35

6,124,564

Hardfacing compositions and hardfacing coatings formed by pulsed plasma-transferred arc

36

6,123,337

Composite earth boring bit seal

37

6,106,957

Metal-matrix diamond or cubic boron nitride composites

38

6,063,502

Composite construction with oriented microstructure

39

6,029,759

Hardfacing on steel tooth cutter element

40

5,963,775

Pressure molded powder metal milled tooth rock bit cone

41

5,944,127

Hardfacing material for rock bits

42

5,880,382

Double cemented carbide composites

43

5,842,701

Dual functioning seal for rock bits

44

5,842,700

Composite rock bit seal

45

5,791,422

Rock bit with hardfacing material incorporating spherical cast carbide particles

46

5,662,183

High strength matrix material for PDC drag bits

47

5,628,837

Surface decarburization of a drill bit having a refined primary cutting edge

48

5,609,447

Surface decarburization of a drill bit

49

5,589,443

Rock bit grease composition

Last Updated: 5/14/21