§
Luxuse
Patent Intelligence
Patents
Companies
Categories
Portfolios
Maintenance
Utilities
Sign In
← Back to Companies
Culligan Inc
Culligan I
Active Patents
0
Total Holdings
4
Patent Holdings
Filter in Explorer →
Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3434490A
Chemical solution feeder
Expired / Lapsed
1968-05-17
1969-03-25
0
Details
US3373351A
Probe to indicate resistance changes in ion exchange materi…
Expired / Lapsed
1967-02-16
1968-03-12
0
Details
US3036525A
Chemical feed pump
Expired / Lapsed
1959-12-16
1962-05-29
0
Details
US2863559A
Automatic service unit for softening and conditioning water
Expired / Lapsed
1955-12-13
1958-12-09
0
Details