Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9968806 | Carrying plate for breathing apparatus | Graham Langford, Robert Charles Sutton | 2018-05-15 |
| 9604080 | Carrying plate for breathing apparatus | Graham Langford, Robert Charles Sutton | 2017-03-28 |
| 8616074 | In-line piggable wye fitting, apparatus and method | Roel Delgado, Jr., Christian G. Larsen | 2013-12-31 |
| 7858908 | Methods for inductive heating of workpiece using coiled assemblies | Trevor Wallace, Kurt D Hand | 2010-12-28 |
| 7781708 | System for inductive heating of workpiece using coiled assemblies | Trevor Wallace, Kurt D Hand | 2010-08-24 |
| 6033070 | Variable focal length lens | — | 2000-03-07 |
| 5908044 | Quadra-seal method and apparatus for operations upon fluid pressure containment bodies | George W. Harrison | 1999-06-01 |
| 4529167 | Valve apparatus | George W. Harrison, Robert L. Holder | 1985-07-16 |