Inventor
HIRSCH KAI
DE27 patents
⚠️ This page may combine multiple inventors who share the name “HIRSCH KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNGER MARKETING INT LLC
20 patentsUS10549239B2Feb 4, 2020
Water conditioning systems having diversion devices
UNGER MARKETING INT LLC10 citations92
USD981222SMar 21, 2023
Clamp for an extendable pole
UNGER MARKETING INT LLC8 citations84
US11369923B2Jun 28, 2022
Water conditioning systems
UNGER MARKETING INT LLC5 citations84
US10717046B2Jul 21, 2020
Water conditioning systems
UNGER MARKETING INT LLC7 citations84
US10307712B2Jun 4, 2019
Fluid conditioning systems having caps with filter cartridge sealing and removal devices and/or locking devices
UNGER MARKETING INT LLC6 citations84
USD775909SJan 10, 2017
Tool handle
UNGER MARKETING INT LLC6 citations84
US10414671B2Sep 17, 2019
Filter assembly with locking cover
UNGER MARKETING INT LLC13 citations83
US12053742B2Aug 6, 2024
Water conditioning systems having diversion devices
UNGER MARKETING INT LLC2 citations73
US11813570B2Nov 14, 2023
Water conditioning systems
UNGER MARKETING INT LLC2 citations73
US11185822B2Nov 30, 2021
Water conditioning systems having diversion devices
UNGER MARKETING INT LLC2 citations73
USD928911SAug 24, 2021
Water purification media device
UNGER MARKETING INT LLC2 citations73
USD913413SMar 16, 2021
Water purification media device
UNGER MARKETING INT LLC3 citations73
USD796628SSep 5, 2017
Water conditioning device
UNGER MARKETING INT LLC4 citations73
USD973989SDec 27, 2022
Extendable window cleaning tool
UNGER MARKETING INT LLC2 citations72
USD1085606SJul 22, 2025
Extendable window cleaning tool
UNGER MARKETING INT LLC0 citations61
USD1085605SJul 22, 2025
Extendable window cleaning tool
UNGER MARKETING INT LLC0 citations61
USD1008582SDec 19, 2023
Pole connection for a window cleaning tool
UNGER MARKETING INT LLC0 citations61
USD1007793SDec 12, 2023
Pole connection for a window cleaning tool
UNGER MARKETING INT LLC1 citations61
USD976506SJan 24, 2023
Pole connection for a window cleaning tool
UNGER MARKETING INT LLC0 citations61
US12017942B2Jun 25, 2024
Water conditioning systems
UNGER MARKETING INT LLC1 citations55