Nelson; Philip L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nelson; Philip L..The latest application filed is for "pre-compression valve systems for trigger sprayers".
Company Profile
0.55.33
- Nelson; Philip L. - Wildwood MO US
- Nelson; Philip L. - Ellisville MO
- Nelson; Philip L. - St. Peters MO
- Nelson; Philip L. - Kansas City MO
Patent Activity
| Patent | Date |
|---|---|
| Low cost trigger sprayer Grant 10,159,997 - Foster , et al. Dec | 2018-12-25 |
| Pre-compression valve systems for trigger sprayers Grant 9,579,675 - Foster , et al. February 28, 2 | 2017-02-28 |
| Pre-compression Valve Systems For Trigger Sprayers App 20140014691 - Foster; Donald D. ; et al. | 2014-01-16 |
| Low Cost Trigger Sprayer App 20120286069 - Foster; Donald D. ; et al. | 2012-11-15 |
| Multi-chamber Trigger Sprayer App 20120280065 - Foster; Donald D. ; et al. | 2012-11-08 |
| Low Cost Trigger Sprayer App 20120273596 - Foster; Donald D. ; et al. | 2012-11-01 |
| Trigger sprayer having a reduced number of parts and a double tubular valve member Grant 8,104,646 - Foster , et al. January 31, 2 | 2012-01-31 |
| Low Cost Trigger Sprayer App 20110240681 - Foster; Donald D. ; et al. | 2011-10-06 |
| Air foaming pump trigger sprayer Grant 7,967,171 - Foster , et al. June 28, 2 | 2011-06-28 |
| Rotating collar and locking and venting closure connector for an air foaming pump dispenser Grant 7,735,688 - Foster , et al. June 15, 2 | 2010-06-15 |
| Rotating dispenser head with locking and venting closure connector for an air foaming pump dispenser Grant 7,735,692 - Nelson June 15, 2 | 2010-06-15 |
| Trigger sprayer piston rod with integral spring and pivoting piston connection Grant 7,712,636 - Foster , et al. May 11, 2 | 2010-05-11 |
| Trigger Sprayer Having a Reduced Number of Parts and a Double Tubular Valve Member App 20090308897 - Foster; Donald D. ; et al. | 2009-12-17 |
| Trigger Sprayer Nozzle Assembly with Pull/Push Foaming Tube App 20090256008 - Foster; Donald D. ; et al. | 2009-10-15 |
| Trigger sprayer with piston rod and spring snap connection Grant 7,571,836 - Foster , et al. August 11, 2 | 2009-08-11 |
| Dual chamber lotion pump App 20090179047 - Foster; Donald D. ; et al. | 2009-07-16 |
| Dual chamber lotion pump Grant 7,510,101 - Foster , et al. March 31, 2 | 2009-03-31 |
| Trigger sprayer with integral piston rod and bowed spring Grant 7,497,358 - Clynes , et al. March 3, 2 | 2009-03-03 |
| Trigger forward pivot limit for a trigger sprayer Grant 7,455,198 - Foster , et al. November 25, 2 | 2008-11-25 |
| Rotational Dispensing Cap Closure for a Liquid Container App 20080110941 - Foster; Donald D. ; et al. | 2008-05-15 |
| Rotating Dispenser Head with Locking and Venting Closure Connector for an Air Foaming Pump Dispenser App 20080083783 - Nelson; Philip L. | 2008-04-10 |
| Rotating Collar and Locking and Venting Closure Connector for an Air Foaming Pump Dispenser App 20080083784 - Foster; Donald D. ; et al. | 2008-04-10 |
| Trigger Sprayer Nozzle Assembly And Sprayer Housing Attachment Lock App 20070295757 - Foster; Donald D. ; et al. | 2007-12-27 |
| Trigger Forward Pivot Limit For A Trigger Sprayer App 20070295758 - Foster; Donald D. ; et al. | 2007-12-27 |
| Trigger Sprayer Venting Apparatus App 20070290005 - Foster; Donald D. ; et al. | 2007-12-20 |
| Trigger Sprayer With Child Resistant Indexing Nozzle App 20070228187 - Nelson; Philip L. ; et al. | 2007-10-04 |
| Trigger Sprayer Piston Rod With Integral Spring and Pivoting Piston Connection App 20070215648 - Foster; Donald D. ; et al. | 2007-09-20 |
| Trigger sprayer with integral piston rod and bowed spring App 20070215645 - Clynes; Walter J. ; et al. | 2007-09-20 |
| Trigger sprayer with integral piston rod and u-shaped spring App 20070210116 - Clynes; Walter J. ; et al. | 2007-09-13 |
| Trigger Sprayer with Piston Rod and Spring Snap Connection App 20070210117 - Foster; Donald D. ; et al. | 2007-09-13 |
| Container closure with biased closed valve Grant 7,195,138 - Foster , et al. March 27, 2 | 2007-03-27 |
| Container Closure With Biased Closed Valve App 20070045356 - Foster; Donald D. ; et al. | 2007-03-01 |
| Liquid dispensing pump with shifting liquid piston App 20070045349 - Foster; Donald D. ; et al. | 2007-03-01 |
| Dual chamber lotion pump Grant 7,124,914 - Foster , et al. October 24, 2 | 2006-10-24 |
| Dual chamber lotion pump App 20060113325 - Foster; Donald D. ; et al. | 2006-06-01 |
| Air foaming pump trigger sprayer App 20060086762 - Foster; Donald D. ; et al. | 2006-04-27 |
| Foaming liquid dispenser Grant 6,923,346 - Foster , et al. August 2, 2 | 2005-08-02 |
| Dual component and dual valve trigger sprayer which mixes components in discharge passage Grant 6,869,027 - Foster , et al. March 22, 2 | 2005-03-22 |
| Air foam pump with shifting air piston Grant 6,840,408 - Foster , et al. January 11, 2 | 2005-01-11 |
| Child proof connection for remote trigger sprayer and bottle container Grant 6,820,769 - Foster , et al. November 23, 2 | 2004-11-23 |
| Child resistant closure with safety lock ring Grant 6,814,259 - Foster , et al. November 9, 2 | 2004-11-09 |
| Child Resistant Closure With Safety Lock Ring App 20040206779 - Foster, Donald D. ; et al. | 2004-10-21 |
| Child Proof Connection For Remote Trigger Sprayer And Bottle Container App 20040178223 - Foster, Donald D. ; et al. | 2004-09-16 |
| Adjustable hose end sprayer nozzle Grant 6,772,966 - Foster , et al. August 10, 2 | 2004-08-10 |
| Dual chamber lotion pump App 20040129727 - Foster, Donald D. ; et al. | 2004-07-08 |
| Telescoping closure App 20040118873 - Foster, Donald D. ; et al. | 2004-06-24 |
| Foaming liquid dispenser App 20040084481 - Foster, Donald D. ; et al. | 2004-05-06 |
| Manually operable trigger sprayer with rearwardly located sprayer valve Grant 6,715,698 - Foster , et al. April 6, 2 | 2004-04-06 |
| High Viscosity Liquid Sprayer Nozzle Assembly App 20030230641 - Foster, Donald D. ; et al. | 2003-12-18 |
| High viscosity liquid sprayer nozzle assembly Grant 6,659,369 - Foster , et al. December 9, 2 | 2003-12-09 |
| Foaming liquid dispenser Grant 6,644,516 - Foster , et al. November 11, 2 | 2003-11-11 |
| Low cost trigger sprayer with double valve element Grant 6,641,003 - Foster , et al. November 4, 2 | 2003-11-04 |
| Dual component and dual valve trigger sprayer which mixes components in discharge passage App 20030201342 - Foster, Donald D. ; et al. | 2003-10-30 |
| Adjustable hose end sprayer nozzle App 20030192964 - Foster, Donald D. ; et al. | 2003-10-16 |
| Manually operable trigger sprayer with rearwardly located sprayer valve App 20030098368 - Foster, Donald D. ; et al. | 2003-05-29 |
| Child-resistant rotating lock for manually operated pump dispenser Grant 6,003,738 - Foster , et al. December 21, 1 | 1999-12-21 |
| Container and cap closure Grant 5,938,081 - Foster , et al. August 17, 1 | 1999-08-17 |
| Reciprocating liquid pump with disc check valve for dispensing lotion and the like Grant 5,927,561 - Foster , et al. July 27, 1 | 1999-07-27 |
| Low cost trigger sprayer Grant 5,884,845 - Nelson March 23, 1 | 1999-03-23 |
| Dispenser with selectable discharge nozzle Grant 5,755,384 - Foster , et al. May 26, 1 | 1998-05-26 |
| Trigger sprayer housing Grant D394,008 - Foster , et al. May 5, 1 | 1998-05-05 |
| Trigger sprayer housing Grant D394,009 - Foster , et al. May 5, 1 | 1998-05-05 |
| Spinner assembly for a sprayer Grant RE35,744 - Foster , et al. March 17, 1 | 1998-03-17 |
| Trigger sprayer having central vent cylinder Grant 5,715,974 - Foster , et al. February 10, 1 | 1998-02-10 |
| Manually operated fluid pump for dispensing lotion and the like Grant 5,715,973 - Foster , et al. February 10, 1 | 1998-02-10 |
| Liquid dispenser Grant 5,711,461 - Foster , et al. January 27, 1 | 1998-01-27 |
| Two piece fluid spinner and control valve for trigger sprayer Grant 5,628,461 - Foster , et al. May 13, 1 | 1997-05-13 |
| Pressure buildup trigger sprayer Grant 5,622,317 - Foster , et al. April 22, 1 | 1997-04-22 |
| Trigger sprayer having disc valve Grant 5,615,835 - Nelson April 1, 1 | 1997-04-01 |
| Low cost trigger sprayer having elastomeric pump and inlet valve Grant 5,593,093 - Foster , et al. January 14, 1 | 1997-01-14 |
| Low cost trigger sprayer having plug with integral valve element Grant 5,566,885 - Foster , et al. October 22, 1 | 1996-10-22 |
| Spring for trigger sprayer Grant 5,553,752 - Foster , et al. September 10, 1 | 1996-09-10 |
| Low cost trigger sprayer having elastomeric pump with internal guide means Grant 5,551,636 - Foster , et al. September 3, 1 | 1996-09-03 |
| Fluid spinner and nozzle head assembly with controlled fluid flood path Grant 5,549,249 - Foster , et al. August 27, 1 | 1996-08-27 |
| Low cost trigger sprayer having pump with internal spring means Grant 5,513,800 - Foster , et al. May 7, 1 | 1996-05-07 |
| Low cost trigger sprayer having spinner with integral elastomeric check and primary valves Grant 5,509,608 - Foster , et al. April 23, 1 | 1996-04-23 |
| Low cost trigger sprayer having housing with integral saddle Grant 5,507,437 - Foster , et al. April 16, 1 | 1996-04-16 |
| Nozzle assembly for trigger sprayer Grant 5,499,766 - Foster , et al. March 19, 1 | 1996-03-19 |
| Trigger sprayer operable in upright, downturned and inverted positions Grant 5,462,209 - Foster , et al. October 31, 1 | 1995-10-31 |
| Trigger sprayer Grant 5,425,482 - Foster , et al. June 20, 1 | 1995-06-20 |
| Manually operated reciprocating liquid pump Grant 5,401,148 - Foster , et al. March 28, 1 | 1995-03-28 |
| Foamer trigger dispenser with sealing device Grant 5,373,991 - Nelson December 20, 1 | 1994-12-20 |
| Spinner assembly for a sprayer Grant 5,234,166 - Foster , et al. August 10, 1 | 1993-08-10 |
| Foamer trigger dispenser with sealing device Grant 5,158,233 - Foster , et al. October 27, 1 | 1992-10-27 |
| Product dispenser with shiftable closure blade Grant 4,848,595 - Foster , et al. July 18, 1 | 1989-07-18 |
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