Inventor
Craig B. Nelson
Inventor
Walla Walla, WA, US
Overview
Patents· 48 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B05Bprimary
B05BSpraying apparatus38%
A01GHorticulture18%
G05DSystems for controlling or regulating non-electric variables11%
Y10TTechnical subjects covered by former us classification9%
B60TVehicle brake control systems or parts thereof4%
F16DCouplings for transmitting rotation4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
F16LPipes3%
LOC233%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding1%
PatentTitleYear
10,864,534Rigid mount orbitor sprinkler2020D0889601Rigid mount orbitor2020D0879258Quick connection coupler202010,562,056Scrubber filter assembly for control valve on a water supply pipe in an irrigation system202010,416,689Pressure regulator having single strut seat with strut coaxial to plunger201910,399,108Sprinkler with modular components and pop up deflector201910,239,066Orbital sprinkler with speed control brake20199,995,352Viscous rotational speed control device20189,971,361Pressure regulator having single strut seat with strut coaxial to plunger20189,657,790'Viscous rotational speed control device'20179,587,687'Viscous rotational speed control device'20179,534,619'Sprinkler with multi-functional, side-load nozzle with nozzle storage clip and related tool'20179,403,176'Stream deflector'20169,403,177'Sprinkler with multi-functional, side-load nozzle'20169,367,070'Pressure regulator having single strut seat with strut coaxial to plunger'20169,283,577'Sprinkler with multi-functional, side-load nozzle'20169,144,203'Continuous-feed linear irrigator with separate or integrated docking devices and related method'20159,128,489'Inductively coupled distributed control system'20158,998,107'Pop-up sprinkler with integrated pressure regulator and drain check'20158,998,117'Irrigation system with smart hydrants and related method'20158,991,724'Wobbling sprinkler with viscous brake'20158,839,135'Method and apparatus for irrigation system design registration and on-site sprinkler package configuration verification'20148,584,968'Sprinkler height adjustment on an irrigation machine'20138,567,433'Pressure regulator with manual shut-off valve'20138,567,699'Rotary strut sprinkler'20138,353,470'Power-assisted docking station for mobile irrigation apparatus'20138,336,788'Dripless rotary sprinkler and related method'20128,028,932'Sprinkler with nutating mechanism and optional weight'20117,942,345'Sprinkler with nutating mechanism and optional weight'20117,802,738'Power-assisted docking station for mobile irrigation apparatus'20107,789,323'Dual-mode sprinkler head'20107,717,361'Distributor plate with diffuser on fixed shaft'20107,624,935'Distributor plate and diffuser plate on sleeved shaft'20097,562,833'Sprinkler with magnetic nutating mechanism and related method'20097,510,132'Linear-feed irrigation apparatus and related method'20097,370,667'Flow through pressure regulator with pinch valve'20087,300,004'Traveling sprinkler incorporating automatic water supply valve docking station'20077,287,710'Sprinkler with magnetic nutating mechanism and related method'20077,168,444'Flow through pressure regulator with pinch valve'20077,143,957'Two-axis full-circle sprinkler with bent, rotating nozzle'20067,140,563'Linear-feed irrigation apparatus and related method'20067,100,842'Two-axis full-circle sprinkler'20066,997,406'Hose weight with ballast'20066,488,218'Sprinkler head conversion for pop-up assembly'20026,439,477'Nutating sprinkler'20025,415,348'Quick change and easily identifiable nozzle construction for use in modular sprinkler assembly'19955,409,168'Positive latching cap for modular sprinkler assembly'19955,224,653'Modular sprinkler assembly'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2020Patents assigned to NELSON IRRIGATION CORP (47)· patent assignee history
1993–2020Based in Walla Walla, WA, US· patent location history
2012–2015Patents assigned to NELSON CRAIG B (11)· patent assignee history
2013–2015Patents assigned to LEINWEBER CHAD D (3)· patent assignee history
2013–2015Patents assigned to SESSER GEORGE L (3)· patent assignee history
2015Patents assigned to BAUMAN MARK A (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NELSON IRRIGATION CORP | 47 | 1993–2020 |
| NELSON CRAIG Bself | 11 | 2012–2015 |
| BAUMAN MARK A | 3 | 2015 |
| LEINWEBER CHAD D | 3 | 2013–2015 |
| SESSER GEORGE L | 3 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walla Walla, Washington, US | 48 | 1993–2020 |