DC

Donald W. Carkhuff

EP Esab Welding Products: 5 patents #2 of 16Top 15%
TG The Esab Group: 5 patents #17 of 152Top 15%
UC Union Carbide: 2 patents #417 of 1,402Top 30%
L- L-Tec: 1 patents #4 of 8Top 50%
📍 Florence, SC: #18 of 362 inventorsTop 5%
🗺 South Carolina: #1,067 of 15,501 inventorsTop 7%
Overall (All Time): #390,665 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5681489 Plasma arc torch including means for disabling power source 1997-10-28
D379577 Nozzle for a plasma arc torch 1997-06-03
D365345 Plasma torch electrode 1995-12-19
D362860 Electrode for plasma arc torch 1995-10-03
D359058 Nozzle for plasma arc torch 1995-06-06
5414237 Plasma arc torch with integral gas exchange 1995-05-09
5216221 Plasma arc torch power disabling mechanism 1993-06-01
5214262 Electrode adaptor 1993-05-25
5162632 Plasma torch having heat shield for torch body 1992-11-10
5013885 Plasma arc torch having extended nozzle of substantially hourglass Jeffrey Stuart Everett, Jule Conner 1991-05-07
4716269 Plasma arc torch having supplemental electrode cooling mechanisms 1987-12-29
4580032 Plasma torch safety device 1986-04-01
4315126 Method of air cutting and gouging and a combined torch and nozzle assembly Peter Schaefer 1982-02-09