Inventor · disambiguated record
Walter Hefti
Also filed as: HEFTI WALTER
7 granted patents·37 citations·filing 1981–1989
83Inventor score
Files withRIETER AG MASCHF7
Top patents by PatentIndex Score
7 records- 0149US5020924ABearing unit, especially for use in a bobbin tube and package supportRIETER AG MASCHF·Filed 1989·Granted Jun 4, 1991·7 cites·2 claims
- 0249US4399589ATraversing apparatus for a cutting machine for a synthetic filament towRIETER AG MASCHF·Filed 1981·Granted Aug 23, 1983·9 cites·5 claims
- 0345US4641397ADrafting mechanism for spinning machinesRIETER AG MASCHF·Filed 1985·Granted Feb 10, 1987·4 cites·13 claims
- 0444US4718615AArrangement for holding yarn packagesRIETER AG MASCHF·Filed 1986·Granted Jan 12, 1988·6 cites·14 claims
- 0537US4848686ABobbin tube and package support and bearing unit therefor and filament tape-up systemRIETER AG MASCHF·Filed 1986·Granted Jul 18, 1989·5 cites·35 claims
- 0631US4695000ADevice for winding-up a threadRIETER AG MASCHF·Filed 1987·Granted Sep 22, 1987·5 cites·12 claims
- 0728US4781333AArrangement for holding yarn packagesRIETER AG MASCHF·Filed 1987·Granted Nov 1, 1988·1 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Walter Hefti files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →