Inventor
SPINELLA DONALD J
US26 patents
⚠️ This page may combine multiple inventors who share the name “SPINELLA DONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALCOA INC
7 patentsUS6403913B1Jun 11, 2002
Electrode geometry design for optimized aluminum resistance spot welding
ALCOA INC22 citations86
US10903587B2Jan 26, 2021
Resistance welding fastener, apparatus and methods
ALCOA INC5 citations83
US10384296B2Aug 20, 2019
Resistance welding fastener, apparatus and methods for joining similar and dissimilar materials
ALCOA INC7 citations83
US10293428B2May 21, 2019
Resistance welding fastener, apparatus and methods
ALCOA INC6 citations83
US7718918B2May 18, 2010
Production or assembly line method of spot welding
ALCOA INC10 citations80
US7432466B2Oct 7, 2008
Method of electrical resistance spot welding
ALCOA INC12 citations80
US7793816B2Sep 14, 2010
Friction stir welding apparatus
ALCOA INC3 citations63
ARCONIC INC
7 patentsUS10593034B2Mar 17, 2020
Resistance welding fasteners, apparatus and methods for joining dissimilar materials and assessing joints made thereby
ARCONIC INC10 citations81
US11196185B2Dec 7, 2021
Resistance welding fastener, apparatus and methods
ARCONIC INC1 citations72
US12097568B2Sep 24, 2024
Resistance welding fastener, apparatus and methods for joining similar and dissimilar materials
ARCONIC INC0 citations62
US12042876B2Jul 23, 2024
Resistance welding fastener, apparatus and methods
ARCONIC INC0 citations62
US11684992B2Jun 27, 2023
Resistance spot rivet welding systems and methods of use thereof
ARCONIC INC0 citations52
US9927367B2Mar 27, 2018
Apparatus and methods for weld measurement
ARCONIC INC1 citations42
US9766169B2Sep 19, 2017
Peeling apparatus and method for separating welded layers
ARCONIC INC0 citations36
HOWMET AEROSPACE INC
6 patentsUS12347988B2Jul 1, 2025
Resistance welding fastener, apparatus and methods
HOWMET AEROSPACE INC0 citations62
US11984691B2May 14, 2024
Resistance welding fastener, apparatus and methods
HOWMET AEROSPACE INC0 citations62
US11802581B1Oct 31, 2023
Methods for fastening
HOWMET AEROSPACE INC0 citations62
US12365045B2Jul 22, 2025
Electrodes for resistance welding and method of use thereof
HOWMET AEROSPACE INC0 citations51
US11541449B2Jan 3, 2023
Rivet dispenser reloading systems and methods of use thereof
HOWMET AEROSPACE INC0 citations44
US11471932B2Oct 18, 2022
Rivet dispensing systems and methods of use thereof
HOWMET AEROSPACE INC0 citations43