Inventor

ADEFRIS NEGUS B

US50 patents

⚠️ This page may combine multiple inventors who share the name “ADEFRIS NEGUS B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ADEFRIS NEGUS B

3M INNOVATIVE PROPERTIES CO

Shaped, fractured abrasive particle, abrasive article using same and method of making

Porous abrasive article having ceramic abrasive composites, methods of making, and methods of use

Metal bond abrasive article comprising porous ceramic abrasive composites and method of using same to abrade a workpiece

Abrasive article and method of grinding glass

Composite abrasive particles and method of manufacture

Abrasive particles, method of making abrasive particles, and abrasive articles

Abrasive article with agglomerates and method of use

Abrasive particles, method of making abrasive particles, and abrasive articles

Abrasive particles and abrasive articles including the same

Methods of making metal bond abrasive articles and metal bond abrasive articles

Method of making a coated abrasive article

Methods of making metal bond and vitreous bond abrasive articles, and abrasive article precursors

Methods of making metal bond and vitreous bond abrasive articles, and abrasive article precursors

Methods of making abrasive articles and bonded abrasive wheel preparable thereby

Shaped abrasive particles, methods of making, and abrasive articles including the same

Production tool to make abrasive particles with grooves

Method of making a coated abrasive article

Elongated abrasive particle with enhanced retention features

Structured abrasive articles and methods of using the same

Shaped vitrified abrasive agglomerate with shaped abrasive particles, abrasive articles, and related methods

Elongated abrasive particles, method of making the same, and abrasive articles containing the same

Abrasive article with shaped abrasive particles with grooves

Coated abrasive article maker apparatus

Coated abrasive article maker apparatus

Nonwoven abrasive article containing formed abrasive particles

3M INNOVATIVE PROPERTIES COMPANY

Abrasive particles, method of making abrasive particles, and abrasive articles

Shaped abrasive particles, methods of making, and abrasive articles including the same

Abrasive particles, method of making abrasive particles, and abrasive articles

Abrasive particles, method of making abrasive particles, and abrasive articles

Production tool to make abrasive particles with grooves

Abrasive particle with enhanced retention features

Abrasive particles, method of making abrasive particles, and abrasive articles

Vitreous bonded abrasive articles and methods of manufacture thereof

Shaped siliceous abrasive agglomerate with shaped abrasive particles, abrasive articles, and related methods

Shaped vitrified abrasive agglomerate, abrasive articles, and method of abrading

Methods of making metal bond abrasive articles and metal bond abrasive articles

Bonded abrasive wheel and method of making the same

Tetrahedral abrasive particles in abrasive articles

Abrasive article maker with differential tooling speed

ADEFRIS NEGUS B

Shaped abrasive particles with a sloping sidewall

Dual tapered shaped abrasive particles

Intersecting plate shaped abrasive particles

Shaped abrasive particles with a sloping sidewall

ERICKSON DWIGHT D

Shaped abrasive particles with an opening

Shaped, fractured abrasive particle, abrasive article using same and method of making

Shaped abrasive particles with an opening

CULLER SCOTT R

Dish-shaped abrasive particles with a recessed surface

Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particles

BODEN JOHN T

Shaped abrasive particles with grooves

SCHWABEL MARK G

Ceramic shaped abrasive particles, methods of making the same, and abrasive articles containing the same