Inventor

WILLIAM JOHNSTON

Inventor
US

Overview

8→
Patents
2021–2024
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus24%
F41GWeapon sights18%
LOC2212%
A61KPreparations for medical, dental or toiletry purposes6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
B29CShaping or joining of plastics6%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering6%
E21BEarth or rock drilling6%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves6%
G01VGeophysics6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to CRITITECH INC (1)· patent assignee history
2021–2024Based in US· patent location history
2022–2024Patents assigned to CRIMSON TRACE CORP (5)· patent assignee history
2024Patents assigned to BAKER HUGHES OILFIELD OPERATIONS LLC (1)· patent assignee history
2024Patents assigned to UNIV WICHITA STATE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRIMSON TRACE CORP52022–2024
BAKER HUGHES OILFIELD OPERATIONS LLC12024
CRITITECH INC12021
UNIV WICHITA STATE12024
Locations
LocationPatentsSpan
US82021–2024