Inventor
Michael Townsend
Inventor
Waitsburg, WA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B05Bprimary
B05BSpraying apparatus71%
A01GHorticulture14%
F16KValves7%
F16LPipes7%
PatentTitleYear
11,085,568Center pivot irrigation gooseneck with varying cross-sectional diameters20219,403,176'Stream deflector'20169,085,005'Automatic nozzle changer'20158,807,517'Rotary pinch valve'20148,567,691'Sprinkler with viscous hesitator and related method'20137,980,488'Sprinkler with geared viscous hesitator and related method'20117,789,323'Dual-mode sprinkler head'20107,584,904'Sprinkler with viscous hesitator'20096,827,291'Reversible adjustable arc sprinkler'20046,814,305'Reversible adjustable arc sprinkler'20046,488,218'Sprinkler head conversion for pop-up assembly'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2021Patents assigned to NELSON IRRIGATION CORP (11)· patent assignee history
2002–2021Based in Waitsburg, WA, US· patent location history
2013–2015Patents assigned to TOWNSEND MICHAEL (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NELSON IRRIGATION CORP | 11 | 2002–2021 |
| TOWNSEND MICHAELself | 3 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waitsburg, Washington, US | 11 | 2002–2021 |