Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104591 | Fluid pump assembly | — | 2024-10-01 |
| 9190882 | Electro-magnetic engine with pivoting piston head | — | 2015-11-17 |
| 8866350 | Electro-magnetic engine with pivoting piston head | — | 2014-10-21 |
| 8459662 | Mowing apparatus | — | 2013-06-11 |
| 8266740 | Method and apparatus for cleaning a conduit | Kent F. Beck | 2012-09-18 |
| 8079532 | Energy efficient water sprinkler | — | 2011-12-20 |
| 7810573 | Method for retrofitting a downhole drill string with a flow through subassembly and method for making same | — | 2010-10-12 |
| 7523587 | Portable observation tower | — | 2009-04-28 |
| 7494071 | Energy efficient water sprinkler | — | 2009-02-24 |
| 7493949 | Flow through subassembly for a downhole drill string and method for making same | — | 2009-02-24 |
| 7299885 | Downhole drill string having a collapsible subassembly and method of loosening a stuck drillstring | — | 2007-11-27 |
| 7194842 | Portable observation tower | — | 2007-03-27 |
| 7107634 | Method and apparatus for cleaning a conduit | — | 2006-09-19 |
| 7108057 | Apparatus for controlling the ascent and descent of pipe in a well bore | — | 2006-09-19 |
| 6997251 | Method and apparatus for controlling the ascent and descent of pipe in a well bore | — | 2006-02-14 |
| 6530428 | Method and apparatus for in-situ production well testing | — | 2003-03-11 |