Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10159997 | Low cost trigger sprayer | Donald D. Foster | 2018-12-25 |
| 9579675 | Pre-compression valve systems for trigger sprayers | Donald D. Foster | 2017-02-28 |
| 8864052 | Low cost trigger sprayer | Donald D. Foster | 2014-10-21 |
| 8469291 | Low cost trigger sprayer | Donald D. Foster | 2013-06-25 |
| D653541 | Trigger sprayer cover | Donald D. Foster | 2012-02-07 |
| 8104646 | Trigger sprayer having a reduced number of parts and a double tubular valve member | Donald D. Foster | 2012-01-31 |
| 7967171 | Air foaming pump trigger sprayer | Donald D. Foster | 2011-06-28 |
| 7735688 | Rotating collar and locking and venting closure connector for an air foaming pump dispenser | Donald D. Foster | 2010-06-15 |
| 7735692 | Rotating dispenser head with locking and venting closure connector for an air foaming pump dispenser | — | 2010-06-15 |
| 7712636 | Trigger sprayer piston rod with integral spring and pivoting piston connection | Donald D. Foster | 2010-05-11 |
| 7571836 | Trigger sprayer with piston rod and spring snap connection | Donald D. Foster | 2009-08-11 |
| 7510101 | Dual chamber lotion pump | Donald D. Foster | 2009-03-31 |
| 7497358 | Trigger sprayer with integral piston rod and bowed spring | Walter J. Clynes | 2009-03-03 |
| 7455198 | Trigger forward pivot limit for a trigger sprayer | Donald D. Foster, Walter J. Clynes | 2008-11-25 |
| 7195138 | Container closure with biased closed valve | Donald D. Foster | 2007-03-27 |
| 7124914 | Dual chamber lotion pump | Donald D. Foster | 2006-10-24 |
| 6923346 | Foaming liquid dispenser | Donald D. Foster | 2005-08-02 |
| 6869027 | Dual component and dual valve trigger sprayer which mixes components in discharge passage | Donald D. Foster | 2005-03-22 |
| 6840408 | Air foam pump with shifting air piston | Donald D. Foster | 2005-01-11 |
| 6820769 | Child proof connection for remote trigger sprayer and bottle container | Donald D. Foster | 2004-11-23 |
| 6814259 | Child resistant closure with safety lock ring | Donald D. Foster | 2004-11-09 |
| 6772966 | Adjustable hose end sprayer nozzle | Donald D. Foster, Jeffrey P. Stark | 2004-08-10 |
| 6715698 | Manually operable trigger sprayer with rearwardly located sprayer valve | Donald D. Foster | 2004-04-06 |
| 6659369 | High viscosity liquid sprayer nozzle assembly | Donald D. Foster | 2003-12-09 |
| 6644516 | Foaming liquid dispenser | Donald D. Foster | 2003-11-11 |