Inventor · disambiguated record
Walter F. Praeg
Also filed as: PRAEG WALTER F
17 granted patents·184 citations·filing 1975–1996
94Inventor score
Top patents by PatentIndex Score
17 records- 0191US4974661ASidewall containment of liquid metal with vertical alternating magnetic fieldsARCH DEV CORP·Filed 1989·Granted Dec 4, 1990·30 cites·4 claims
- 0289US4678024AHorizontal electromagnetic casting of thin metal sheetsUS ENERGY·Filed 1986·Granted Jul 7, 1987·27 cites·33 claims
- 0387US5251685AApparatus and method for sidewall containment of molten metal with horizontal alternating magnetic fieldsINLAND STEEL CO·Filed 1992·Granted Oct 12, 1993·25 cites·65 claims
- 0475US4982796AElectromagnetic confinement for vertical casting or containing molten metalARCH DEV CORP·Filed 1988·Granted Jan 8, 1991·15 cites·23 claims
- 0574US4054933ASaturating time-delay transformer for overcurrent protectionUS ENERGY·Filed 1975·Granted Oct 18, 1977·16 cites·9 claims
- 0668US4741383AHorizontal electromagnetic casting of thin metal sheetsUS ENERGY·Filed 1987·Granted May 3, 1988·11 cites·20 claims
- 0760US4993477AMolten metal feed system controlled with a traveling magnetic fieldUS ENERGY·Filed 1989·Granted Feb 19, 1991·8 cites·8 claims
- 0856US5385201ASidewall containment of liquid metal with horizontal alternating magnetic fieldsARCH DEV CORP·Filed 1990·Granted Jan 31, 1995·6 cites·17 claims
- 0955US4905756AElectromagnetic confinement and movement of thin sheets of molten metalUS ENERGY·Filed 1988·Granted Mar 6, 1990·7 cites·39 claims
- 1051US4305785ASensor for detecting changes in magnetic fieldsUS ENERGY·Filed 1980·Granted Dec 15, 1981·11 cites·4 claims
- 1147US4358808AHigh energy overcurrent protective deviceUS ENERGY·Filed 1981·Granted Nov 9, 1982·11 cites·7 claims
- 1244US5601140AApparatus for efficient sidewall containment of molten metal with horizontal alternating magnetic fields utilizing a ferromagnetic damARCH DEV CORP·Filed 1995·Granted Feb 11, 1997·4 cites·24 claims
- 1339US4472755AResonant circuit which provides dual frequency excitation for rapid cycling of an electromagnetUS ENERGY·Filed 1983·Granted Sep 18, 1984·5 cites·27 claims
- 1435US5695001AElectromagnetic confining dam for continuous strip casterINLAND STEEL CO·Filed 1996·Granted Dec 9, 1997·2 cites·42 claims
- 1535US4559578ADual aperture dipole magnet with second harmonic componentUS ENERGY·Filed 1983·Granted Dec 17, 1985·3 cites·18 claims
- 1633US5954118AApparatus for efficient sidewall containment of molten metal with horizontal alternating magnetic fields utilizing low reluctance rimsARCH DEV CORP·Filed 1996·Granted Sep 21, 1999·1 cites·18 claims
- 1731US4590423ACoaxial test fixtureUS ENERGY·Filed 1984·Granted May 20, 1986·2 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Walter F. Praeg 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 →