Assignee
AIRRIGATION ENG
US·6 granted patents·241 citations·filing 1976–1990
Top patents by PatentIndex Score
6 records- 0190US5139751AApparatus for thrusting a hose along a conduitAIRRIGATION ENG·Filed 1990·Granted Aug 18, 1992·108 cites·30 claims
- 0288US4083384AMethod and apparatus for injecting foam into a pipeline, including an inflatable plugAIRRIGATION ENG·Filed 1977·Granted Apr 11, 1978·70 cites·5 claims
- 0369US4025360AMethod and apparatus for injecting foam into a pipeline, including an inflatable plugAIRRIGATION ENG·Filed 1976·Granted May 24, 1977·25 cites·6 claims
- 0443US4556434ASewer cleaning foam composition and methodAIRRIGATION ENG·Filed 1984·Granted Dec 3, 1985·12 cites·11 claims
- 0540US4981524AChemical control of root growth in sewers and the likeAIRRIGATION ENG·Filed 1987·Granted Jan 1, 1991·15 cites·7 claims
- 0635US4944320AChemical control of root growth in sewers and the likeAIRRIGATION ENG·Filed 1989·Granted Jul 31, 1990·11 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when AIRRIGATION ENG files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →