DD

David Dubiel

CM Chapin Manufacturing: 34 patents #1 of 32Top 4%
GL Gtat Ip Holding Llc.: 1 patents #6 of 12Top 50%
Overall (All Time): #85,555 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 25 most recent of 38 patents

Patent #TitleCo-InventorsDate
12023704 Wet/dry hose end sprayer James R. Fontaine, Mark T. MacLean-Blevins 2024-07-02
D973840 Dual chamber backpack sprayer Morgan Allis 2022-12-27
11483965 Hand-held spreader having a base attachable to a plurality of different hoppers William James Campbell 2022-11-01
11213841 Wet/dry hose end sprayer James R. Fontaine, Mark T. MacLean-Blevins 2022-01-04
11207708 Handheld fluid applicator 2021-12-28
11110474 Fluid control assembly for mix-on-demand sprayer 2021-09-07
D930113 Wet/dry hose end sprayer James R. Fontaine, Mark T. MacLean-Blevins 2021-09-07
10994294 Backpack sprayer with selectable internal pump James R. Fontaine, Justin Cook 2021-05-04
10864538 Dual chamber backpack sprayer Morgan Allis 2020-12-15
10850240 Fluid injection system Edward Horeth 2020-12-01
D902349 Backpack sprayer with internal pump Greg Gutekunst 2020-11-17
D902347 Modular frame for a backpack sprayer Greg Gutekunst 2020-11-17
10786788 Fluid injection system with fertigation basket Edward Horeth, James R. Fontaine 2020-09-29
10766046 Mix on demand smart backpack sprayer with removable concentrate tank James R. Fontaine, Morgan Allis 2020-09-08
10736263 Controlled-release spreader Ed Horeth, William James Campbell 2020-08-11
10639659 Backpack sprayer with internal pump Greg Gutekunst 2020-05-05
10639657 Mix on demand smart backpack sprayer James R. Fontaine, Morgan Allis 2020-05-05
10625284 Modular frame for a backpack sprayer Greg Gutekunst 2020-04-21
10596530 Variable venturi device with adjustable valve stem 2020-03-24
D877291 Diluent tank for a sprayer Morgan Allis, James R. Fontaine 2020-03-03
D870850 Concentrate tank for a sprayer Morgan Allis, James R. Fontaine 2019-12-24
10472139 Dosing cap and system and method of using same Jim Fontaine 2019-11-12
10464087 Mix on demand sprayer Morgan Allis, Jim Fontaine 2019-11-05
10413922 Mix on demand sprayer with external by-pass circuit Morgan Allis, James R. Fontaine 2019-09-17
D855420 Irrigation injector Edward Horeth 2019-08-06