Assignee
HJL PROJECTS & DEV
CH·2 granted patents·41 citations·filing 1989–1991
Top patents by PatentIndex Score
2 records- 0143US5149435AMolecular sieve arrangement and filtering method for removal of a selected constituentHJL PROJECTS & DEV·Filed 1989·Granted Sep 22, 1992·30 cites·23 claims
- 0241US5354581ASurface treatment of sheet- or plate-like blanksHJL PROJECTS & DEV·Filed 1991·Granted Oct 11, 1994·11 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when HJL PROJECTS & DEV 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 →