Inventor
CHRISTIANSON JOHN
US21 patents
⚠️ This page may combine multiple inventors who share the name “CHRISTIANSON JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MILWAUKEE ELECTRIC TOOL CORP
10 patentsUS9909870B2Mar 6, 2018
Level including removable end caps
MILWAUKEE ELECTRIC TOOL CORP14 citations92
US11346664B2May 31, 2022
Level including removable end caps
MILWAUKEE ELECTRIC TOOL CORP6 citations85
US10697770B2Jun 30, 2020
Level including removable end caps
MILWAUKEE ELECTRIC TOOL CORP4 citations83
US9347774B2May 24, 2016
Angular indicator tool
MILWAUKEE ELECTRIC TOOL CORP6 citations73
US11740082B2Aug 29, 2023
Level including removable end caps
MILWAUKEE ELECTRIC TOOL CORP2 citations72
US11506491B2Nov 22, 2022
Vial with improved visibility for level
MILWAUKEE ELECTRIC TOOL CORP2 citations72
US10823561B2Nov 3, 2020
Vial with improved visibility for level
MILWAUKEE ELECTRIC TOOL CORP4 citations72
USD887874SJun 23, 2020
Framing square
MILWAUKEE ELECTRIC TOOL CORP2 citations72
USD866359SNov 12, 2019
Framing square
MILWAUKEE ELECTRIC TOOL CORP1 citations72
US12031845B2Jul 9, 2024
Vial with improved visibility for level
MILWAUKEE ELECTRIC TOOL CORP0 citations61
EMPIRE LEVEL MFG CORP
5 patentsUS7832112B2Nov 16, 2010
Vial-mounting structure
EMPIRE LEVEL MFG CORP24 citations92
US8375591B2Feb 19, 2013
Box level
EMPIRE LEVEL MFG CORP5 citations83
USD723954SMar 10, 2015
Angular indicator tool
EMPIRE LEVEL MFG CORP4 citations73
US8745885B2Jun 10, 2014
Box level
EMPIRE LEVEL MFG CORP2 citations62
US8011109B2Sep 6, 2011
Casing mount for a cylindrical vial
EMPIRE LEVEL MFG CORP6 citations59