Inventor

PORTH CHRISTOPHER H

US5 patents

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

ILLINOIS TOOL WORKS

2 patents

US8925780B2Jan 6, 2015

Fastener advance delay for fastener driving tool

ILLINOIS TOOL WORKS7 citations81

US10668607B2Jun 2, 2020

Lockout for fastener-driving tool

ILLINOIS TOOL WORKS0 citations50

ZHAO HANXIN

1 patent

US9486906B2Nov 8, 2016

Lockout for fastener-driving tool

ZHAO HANXIN5 citations80

LARGO MARC

1 patent

US8636185B2Jan 28, 2014

Fastener advance delay for fastener driving tool

LARGO MARC12 citations80

PORTH CHRISTOPHER H

1 patent

US9114516B2Aug 25, 2015

Portable combustion gas-powered tools with combustion chamber lockout system

PORTH CHRISTOPHER H5 citations63