Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910888 | Sprinkler linear side-load, multi-nozzle system | Barton R. Nelson | 2014-12-16 |
| RE45263 | Micro-stream rotator with adjustment of throw radius and flow rate | — | 2014-12-02 |
| 8567699 | Rotary strut sprinkler | Craig B. Nelson | 2013-10-29 |
| 8028932 | Sprinkler with nutating mechanism and optional weight | Craig B. Nelson | 2011-10-04 |
| RE42596 | Micro-stream rotator with adjustment of throw radius and flow rate | — | 2011-08-09 |
| 7942345 | Sprinkler with nutating mechanism and optional weight | Craig B. Nelson, Reid A. Nelson, Lee A. Perkins | 2011-05-17 |
| 7717361 | Distributor plate with diffuser on fixed shaft | Craig B. Nelson, Patrick T. Barry | 2010-05-18 |
| 7624935 | Distributor plate and diffuser plate on sleeved shaft | Craig B. Nelson, Patrick T. Barry | 2009-12-01 |
| 7611077 | Adjustable flow rate, rectangular pattern sprinkler | Sean M. Scott | 2009-11-03 |
| RE40440 | Micro-stream rotator with adjustment of throw radius and flow rate | — | 2008-07-22 |
| 7370667 | Flow through pressure regulator with pinch valve | Craig B. Nelson, Cliff Ungerecht, Michael Youngberg | 2008-05-13 |
| 7168444 | Flow through pressure regulator with pinch valve | Craig B. Nelson, Cliff Ungerecht, Michael Youngberg | 2007-01-30 |
| 7159795 | Adjustable arc, adjustable flow rate sprinkler | Lee A. Perkins, Steven T. McCoon | 2007-01-09 |
| 7100842 | Two-axis full-circle sprinkler | Larry P. Meyer, Paul D. Davisson, Frederick J. Sweet, Craig B. Nelson | 2006-09-05 |
| 7032836 | Adjustable arc, adjustable flow rate sprinkler | Lee A. Perkins, Theodore J. Bren | 2006-04-25 |
| 6736332 | Adjustable arc, adjustable flow rate sprinkler | Lee A. Perkins, Steven T. McCoon | 2004-05-18 |
| 6651905 | Adjustable arc, adjustable flow rate sprinkler | Lee A. Perkins | 2003-11-25 |
| 6499672 | Micro-stream rotator with adjustment of throw radius and flow rate | — | 2002-12-31 |
| 6244521 | Micro-stream rotator with adjustment of throw radius and flow rate | — | 2001-06-12 |
| 5971297 | Sprinkler with nozzle venturi | — | 1999-10-26 |
| 5875815 | Combination pressure regulator/drain check valve | Cliff Ungerecht | 1999-03-02 |
| 5671886 | Rotary sprinkler stream interrupter with enhanced emitting stream | — | 1997-09-30 |
| 5372307 | Rotary sprinkler stream interrupter | — | 1994-12-13 |
| 5288022 | Part circle rotator with improved nozzle assembly | — | 1994-02-22 |
| RE33823 | Rotary sprinkler head | Barton R. Nelson, Larry P. Meyer | 1992-02-18 |