P

Inventor

COX JOHN D

US58 patents
⚠️ This page may combine multiple inventors who share the name “COX JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BLACK & DECKER INC

23 patents
US10615733B2Apr 7, 2020

Power tool having a brushless motor capable of being powered by AC or DC power supplies

BLACK & DECKER INC16 citations98
US10389139B2Aug 20, 2019

Portable power supply

BLACK & DECKER INC23 citations94
US10291173B2May 14, 2019

Power tool powered by power supplies having different rated voltages

BLACK & DECKER INC7 citations93
US9644837B2May 9, 2017

Lighted power tool

BLACK & DECKER INC27 citations93
US9415488B2Aug 16, 2016

Screwdriving tool having a driving tool with a removable contact trip assembly

BLACK & DECKER INC23 citations90
US11329597B2May 10, 2022

Reducing noise and lowering harmonics in power tools using conduction band control schemes

BLACK & DECKER INC8 citations86
US10243491B2Mar 26, 2019

Control scheme to increase power output of a power tool using conduction band and advance angle

BLACK & DECKER INC14 citations86
US11794327B2Oct 24, 2023

High-power battery-operated power tool

BLACK & DECKER INC1 citations84
US11070162B2Jul 20, 2021

AC/DC power tool

BLACK & DECKER INC2 citations84
US11063548B2Jul 13, 2021

High-power battery-operated power tool

BLACK & DECKER INC4 citations84
US10833611B2Nov 10, 2020

Dual-inverter for a brushless motor

BLACK & DECKER INC8 citations84
US10543588B2Jan 28, 2020

Lighted power tool

BLACK & DECKER INC10 citations83
US12427641B2Sep 30, 2025

High-power battery-operated power tool

BLACK & DECKER INC1 citations75
US11394338B2Jul 19, 2022

Power tool having improved speed-torque profile

BLACK & DECKER INC0 citations73
US11059159B2Jul 13, 2021

Electromagnetic actuator for power tool

BLACK & DECKER INC3 citations73
US10523140B2Dec 31, 2019

Dual-inventor for a brushless motor

BLACK & DECKER INC2 citations73
US10523139B2Dec 31, 2019

Dual-inverter for a brushless motor

BLACK & DECKER INC2 citations73
US10710220B2Jul 14, 2020

Waveform shaping in power tool powered by alternating-current power supply

BLACK & DECKER INC3 citations71
US12549074B2Feb 10, 2026

High-powered power tool system

BLACK & DECKER INC0 citations62
US11936248B2Mar 19, 2024

High-powered power tool system

BLACK & DECKER INC0 citations62
US12365076B2Jul 22, 2025

Electromagnetic actuator for power tool

BLACK & DECKER INC0 citations61
US12301157B2May 13, 2025

Power tool receiving different capacity battery packs

BLACK & DECKER INC0 citations61
US11569765B2Jan 31, 2023

Power tool receiving different capacity battery packs

BLACK & DECKER INC1 citations61

GEN IMAGING CORP

6 patents

VISUUM LLC

4 patents

BIOFILTER SYSTEMS LLC

2 patents

ROBERTSON MARK B

2 patents

PARKER ROBIN Z

2 patents

PRINCIPLE IMAGING CORP

2 patents

VANKO JOHN C

1 patent

COX JOHN D

1 patent

KEATES RICHARD H

1 patent

GEN IMAGINING CORP

1 patent

DILLON COMPANIES INC

1 patent

PUZIO DANIEL

1 patent

SOLAR REACTOR SPACE AND DEFENS

1 patent

DAIMLER CHRYSLER CORP

1 patent

SCOTT & FETZER CO FRANCE

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.