Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140140 | Aligning reciprocating motion in fluid delivery systems | — | 2024-11-12 |
| 12011729 | Handheld fluid sprayer | Joseph W. Kieffer | 2024-06-18 |
| 11826766 | Handheld fluid sprayer | Joseph W. Kieffer | 2023-11-28 |
| 10682659 | Spray head for a paint sprayer, and paint sprayer | Jan Barthelmes | 2020-06-16 |
| 9610601 | Paint spraying device | Andreas Abt | 2017-04-04 |
| 9555430 | Paint application system | Andreas Abt, Jens Ulbrich, Thomas Jeltsch | 2017-01-31 |
| 9303898 | Portable temperature-controlled water heater | — | 2016-04-05 |
| 9192950 | Sprayer for a fluid delivery system | Christopher W. Carleton, James J. Handzel, Joseph W. Kieffer, Richard P. Anderson | 2015-11-24 |
| D648837 | Shower tent | — | 2011-11-15 |
| 7878425 | Liquid supply attachment for spray gun | James J. Handzel, Joseph W. Kieffer, Christopher W. Carleton | 2011-02-01 |
| D623663 | Fluid delivery system | Joseph W. Kieffer, Richard P. Anderson, Eric Lagman, James J. Handzel | 2010-09-14 |
| D620499 | Fluid pump assembly | James J. Handzel | 2010-07-27 |
| D616527 | Spray gun | Richard P. Anderson, Joseph W. Kieffer | 2010-05-25 |