David L. Dejong
35Patents
13h-index
20Co-inventors
77Inventor score
Filing activity: May 13, 2005 → Dec 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD571206S1 | Trigger sprayer | General | 39 | Expired |
| USD571205S1 | Trigger sprayer | General | 31 | Expired |
| USD589795S1 | Trigger spray device | General | 29 | Expired |
| USD588454S1 | Sprayer shroud | General | 29 | Expired |
| USD588456S1 | Sprayer shroud | General | 28 | Expired |
| USD562683S1 | Container closure | General | 27 | Expired |
| US7255294B2 | Battery operated spray head having an improved housing | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| USD579330S1 | Sprayer shroud | General | 22 | Expired |
| US9199783B2 | Plastic valves and methods of using the same | Emerging Cross-Sectional Technologies | 17 | Active |
| USD588455S1 | Sprayer shroud | General | 16 | Expired |
| USD587575S1 | Trigger sprayer | General | 15 | Expired |
| US7775405B2 | Sprayer including pressure build-up discharge valve assembly with poppet valve having integrated spring | Emerging Cross-Sectional Technologies | 14 | Active |
| USD579329S1 | Sprayer shroud | General | 13 | Expired |
| US9937509B2 | Dispensing pump with skirt spring | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US9475635B2 | Aerosol sprayer with anti-drool valve | Performing Operations; Transporting | 9 | Active |
| US8800822B2 | Dip tube connectors and pump systems using the same | Performing Operations; Transporting | 9 | Active |
| USD578887S1 | Sprayer shroud | General | 9 | Expired |
| US8517221B2 | Trigger sprayer | Performing Operations; Transporting | 8 | Active |
| US9827581B2 | Dip tube connectors and pump systems using the same | Performing Operations; Transporting | 6 | Active |
| USD580759S1 | Sprayer shroud | General | 6 | Expired |
| US9975130B2 | Trigger sprayers and methods for making the same | Performing Operations; Transporting | 6 | Active |
| US9022301B2 | Aerosol manifold and method of its fabrication | Performing Operations; Transporting | 6 | Active |
| USD588003S1 | Sprayer shroud | General | 6 | Expired |
| US10773269B2 | Dispensing pump with skirt spring | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10124357B2 | Dip tube connectors and pump systems using the same | Performing Operations; Transporting | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.