Assignee
NILFISK AS
DK25 patents
Top patents by PatentIndex Score
USD782759SMar 28, 2017
Vacuum cleaner housing
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Water trailing detection system
NILFISK AS9 citations81
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Vacuum cleaner
NILFISK AS9 citations79
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Mobile robotic cleaner
NILFISK AS3 citations70
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Vacuum cleaner
NILFISK AS4 citations68
US11174607B2Nov 16, 2021
Apparatus for collecting garbage and debris for a motor-sweeper
NILFISK AS4 citations64
US10076219B2Sep 18, 2018
Scrubber machine
NILFISK AS2 citations62
US11083357B2Aug 10, 2021
Water trailing detection system
NILFISK AS0 citations59
US10596502B2Mar 24, 2020
Filter element and dirt suction device with filter receptacle for such a filter element
NILFISK AS1 citations54
US12478240B2Nov 25, 2025
Method of controlling a robotic floor cleaning machine
NILFISK AS0 citations50
USD1071408SApr 15, 2025
Frame for high-pressure cleaner
NILFISK AS0 citations50
USD1007795SDec 12, 2023
Frame for highpressure cleaner
NILFISK AS0 citations50
US11707172B2Jul 25, 2023
Dirt collecting device for a cleaning device, particularly a sweeping vehicle, and vacuum cleaner nozzle for a vacuum cleaner, and method for operating both devices
NILFISK AS0 citations50
US11357379B2Jun 14, 2022
Fluid manifolds for floor cleaning machine
NILFISK AS0 citations49
US10507415B2Dec 17, 2019
Closure system for a filter door in an industrial extraction system
NILFISK AS1 citations45
US11311161B2Apr 26, 2022
Dirt collecting device for a cleaning device, particularly a sweeping vehicle, and vacuum cleaner nozzle for a vacuum cleaner, and method for operating both devices
NILFISK AS0 citations43
US11953907B2Apr 9, 2024
Autonomous surface treatment vehicle with fast wall mode
NILFISK AS0 citations41
US10064532B2Sep 4, 2018
Cleaning system utilizing a regenerative blower
NILFISK AS0 citations41
US9516985B2Dec 13, 2016
Floor washing-drying machine with a scraping device
NILFISK AS0 citations40
US12396611B2Aug 26, 2025
High-dump hopper for floor cleaning machine and method for cleaning a floor
NILFISK AS0 citations38
US10674882B2Jun 9, 2020
Adapter plate
NILFISK AS0 citations32
US12471748B1Nov 18, 2025
Debris basket indicator system
NILFISK AS0 citations30
US10492655B2Dec 3, 2019
Apparatus for collecting garbage and debris for a motor-sweeper
NILFISK AS0 citations28
US9601288B2Mar 21, 2017
Apparatus for floor cleaning, with improved key
NILFISK AS0 citations27
US10874270B2Dec 29, 2020
Motor housing with silencer for a vacuum cleaning device
NILFISK AS0 citations24