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Inventor

Donald J. Legatt

Inventor
St. Michael, MN, US

Overview

24→
Patents
1990–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A47Lprimary
A47LDomestic washing or cleaning67%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
B24BMachines, devices, or processes for grinding or polishing3%
B60GVehicle suspension arrangements3%
F16KValves3%
G01FMeasuring volume, volume flow, mass flow or liquid level3%
G05DSystems for controlling or regulating non-electric variables3%
H01HElectric switches3%
PatentTitleYear
11,083,357Water trailing detection system202110,010,231Water trailing detection system20189,700,191'Wheel lift assembly for floor treating apparatus'20179,649,003'Random orbit disc scrubber'20179,192,275'Flow and scrubbing pressure control system and methods for surface treating apparatus'20158,984,696'Random orbit disc scrubber'20157,363,680'Floor-cleaning machine with manual adjustment for two distinct and repeatable fluid flow rates'20087,254,867'Squeegee assembly'20076,530,821'Battery powered, riding, floor burnishing machine'20036,519,808'Squeegee mounting assembly for a floor scrubber'20036,450,867'Battery powered, riding, floor treating machine'20026,442,789'Riding floor scrubber'20026,427,285'Floor surface cleaning machine'20026,397,429'Riding floor scrubber'20026,227,957'Battery powered, riding, floor burnishing machine'20016,148,476'Floor surface cleaning machine'20005,953,781'Adjustable handle assembly for floor maintenance machines'19995,829,095'Floor surface cleaning machine'19985,706,549'Rotary disc floor cleaning apparatus'19985,674,120'Floor polishing machine'19975,607,178'Rear wheel isolation suspension for floor scrubbers'19975,369,838'Automatic floor scrubber'19945,088,151'Collection system for a floor polishing machine'19924,947,503'Mobile floor treating machine'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1998Patents assigned to ADVANCE MACHINE CO (6)· patent assignee history
1990–2021Based in St. Michael, MN, US· patent location history
1998–2015Patents assigned to NILFISK ADVANCE INC (14)· patent assignee history
2015–2017Patents assigned to LEGATT DONALD JOSEPH (2)· patent assignee history
2017Patents assigned to NILFISK INC (2)· patent assignee history
2018–2021Patents assigned to NILFISK AS (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NILFISK ADVANCE INC141998–2015
ADVANCE MACHINE CO61990–1998
LEGATT DONALD JOSEPHself22015–2017
NILFISK AS22018–2021
NILFISK INC22017
Locations
LocationPatentsSpan
St. Michael, Minnesota, US241990–2021