Individual holder
HAUK ERNEST D
3 granted patents·157 citations·filing 1977–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0197US4127927AMethod of gaging and joining pipeHAUK ERNEST D·Filed 1977·Granted Dec 5, 1978·130 cites·44 claims
- 0274US4185492ALeak testing apparatus and improved seals thereforHAUK ERNEST D·Filed 1978·Granted Jan 29, 1980·22 cites·28 claims
- 0339US4222174AMethod and apparatus for gaging and joining pipeHAUK ERNEST D·Filed 1978·Granted Sep 16, 1980·5 cites·52 claims
Join the waitlist — get patent alerts
Get an alert when HAUK ERNEST D 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 →