Inventor

THEISEN ANDREW J

US7 patents

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

THEISEN ANDREW J

3 patents

US10412895B2Sep 17, 2019

JOHNSON KEITH A

2 patents

US11987889B2May 21, 2024

Boring bit component with hard face wear resistance material with subsequent heat treatment

JOHNSON KEITH A0 citations57

US12146369B2Nov 19, 2024

Boring bit or other bit with hard face wear resistance material

JOHNSON KEITH A0 citations46

KONDEX CORP

1 patent

US12376527B2Aug 5, 2025

Concave with adjustable openings

KONDEX CORP0 citations59

STOFFEL NEAL J

1 patent

US10206331B2Feb 19, 2019

Cutting blade with hardened regions

STOFFEL NEAL J0 citations50

THEISEN ANDREW J

THEISEN ANDREW J

Multi-thresh concave section for rotary combine

Concave with adjustable openings

Concave with adjustable openings

JOHNSON KEITH A

Boring bit component with hard face wear resistance material with subsequent heat treatment

Boring bit or other bit with hard face wear resistance material

KONDEX CORP

Concave with adjustable openings

STOFFEL NEAL J

Cutting blade with hardened regions