Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12192062 | Methods for implementing time-travelling networks using extensions to graph databases | Piotr Jerzy Kupisiewicz, Olaf Meller, Michael Chomicz, Radoslaw Konrad Ruchala, Manoj Kumar | 2025-01-07 |
| 6824735 | Gas cutting torch | — | 2004-11-30 |
| D476539 | Cutting torch head | — | 2003-07-01 |
| 6364161 | Oxygen conserver | — | 2002-04-02 |
| 6296008 | Switchover valve | Robert A. Boyer | 2001-10-02 |
| D442277 | Oxygen conserving regulator | — | 2001-05-15 |
| 5398721 | Compressed gas integral regulator and flowmeter | — | 1995-03-21 |
| D329971 | Hand torch | — | 1992-10-06 |
| D288469 | Regulator | — | 1987-02-24 |
| 4585409 | Spring loaded heating torch tip | — | 1986-04-29 |
| 4477262 | Mixer for cutting torch | — | 1984-10-16 |
| 4471802 | Pressure regulator assembly with improved cartridge | — | 1984-09-18 |