Assignee
FINKL & SONS CO
US·32 granted patents·278 citations·filing 1971–2004
Top patents by PatentIndex Score
32 records- 0183US5252120AMethod and apparatus for double vacuum production of steelFINKL & SONS CO·Filed 1992·Granted Oct 12, 1993·39 cites·25 claims
- 0277US4468249AMachinery steelFINKL & SONS CO·Filed 1982·Granted Aug 28, 1984·25 cites·4 claims
- 0374US5972130AHigh impact and thermal shock resistant die steel, dies, dies blocks and method of manufacture thereofFINKL & SONS CO·Filed 1997·Granted Oct 26, 1999·25 cites·20 claims
- 0474US5364588ADouble stabilized stainless-type steel die blockFINKL & SONS CO·Filed 1992·Granted Nov 15, 1994·23 cites·4 claims
- 0573US4026727AFatigue resistant steel, machinery parts and method of manufacture thereofFINKL & SONS CO·Filed 1975·Granted May 31, 1977·18 cites·7 claims
- 0664US5059389ALow alloy steel productFINKL & SONS CO·Filed 1990·Granted Oct 22, 1991·17 cites·9 claims
- 0763US5415834AWarm forging implement, composition and method of manufacture thereofFINKL & SONS CO·Filed 1994·Granted May 16, 1995·16 cites·11 claims
- 0862US4887277AElectric arc furnaceFINKL & SONS CO·Filed 1988·Granted Dec 12, 1989·9 cites·8 claims
- 0957US4318739ASteel having improved surface and reduction of area transverse properties, and method of manufacture thereofFINKL & SONS CO·Filed 1979·Granted Mar 9, 1982·11 cites·6 claims
- 1054US5720829AMaraging type hot work implement or tool and method of manufacture thereofFINKL & SONS CO·Filed 1996·Granted Feb 24, 1998·13 cites·8 claims
- 1153US4541862ALadle steelmaking method and apparatusFINKL & SONS CO·Filed 1982·Granted Sep 17, 1985·5 cites·10 claims
- 1249US7077993B2Apparatus for softening a selected portion of a steel object by heatingFINKL & SONS CO·Filed 2004·Granted Jul 18, 2006·0 cites·8 claims
- 1347US5888450AFine grained ductile plastic injection molds forging tools and machine components and alloy steel therefor having a titanium nitride pinned austenitic grain structureFINKL & SONS CO·Filed 1997·Granted Mar 30, 1999·9 cites·9 claims
- 1447US5496516ADual purpose steel and products produced therefromFINKL & SONS CO·Filed 1994·Granted Mar 5, 1996·8 cites·3 claims
- 1547US5110379AHigh temperature fine-grained steel productFINKL & SONS CO·Filed 1991·Granted May 5, 1992·8 cites·5 claims
- 1647US3944444AMethod for heat treating cylindrical productsFINKL & SONS CO·Filed 1971·Granted Mar 16, 1976·14 cites·19 claims
- 1746US4655826AMethod for post-melting treatment of molten steelFINKL & SONS CO·Filed 1986·Granted Apr 7, 1987·5 cites·12 claims
- 1845US4069039AMethod for desulfurization using arc heat under vacuumFINKL & SONS CO·Filed 1976·Granted Jan 17, 1978·3 cites·15 claims
- 1944US4600427AMethod of ladle steelmaking and product produced therebyFINKL & SONS CO·Filed 1984·Granted Jul 15, 1986·3 cites·13 claims
- 2043US4780134ASimplified method and apparatus for treating molten steelFINKL & SONS CO·Filed 1986·Granted Oct 25, 1988·4 cites·11 claims
- 2140US5244626AHot work die blockFINKL & SONS CO·Filed 1992·Granted Sep 14, 1993·8 cites·4 claims
- 2237US6110300ATool for glass molding operations and method of manufacture thereofFINKL & SONS CO·Filed 1997·Granted Aug 29, 2000·3 cites·6 claims
- 2336US6325203B1Method and apparatus for rapidly processing machine tool chipsFINKL & SONS CO·Filed 1999·Granted Dec 4, 2001·6 cites·4 claims
- 2433US6398885B1Method and apparatus for preventing cracking of the shank junction of die blocksFINKL & SONS CO·Filed 1998·Granted Jun 4, 2002·1 cites·10 claims
- 2532US6972058B1Heat treatment method and apparatusFINKL & SONS CO·Filed 1997·Granted Dec 6, 2005·1 cites·8 claims
- 2632US4950324ATri-level method and apparatus for post melting treatment of molten steelFINKL & SONS CO·Filed 1989·Granted Aug 21, 1990·2 cites·20 claims
- 2730US4894087ASimplified method and apparatus for treating molten steelFINKL & SONS CO·Filed 1988·Granted Jan 16, 1990·1 cites·20 claims
- 2829US5827376AMolds for plastic prototyping and isothermal forging of aluminum, steel therefor, and method of manufacturing thereofFINKL & SONS CO·Filed 1996·Granted Oct 27, 1998·0 cites·20 claims
- 2929US5232660ANitrogen steel and method of manufacture thereofFINKL & SONS CO·Filed 1992·Granted Aug 3, 1993·0 cites·8 claims
- 3028US6019938AHigh ductility very clean non-micro banded die casting steelFINKL & SONS CO·Filed 1998·Granted Feb 1, 2000·0 cites·9 claims
- 3127US5094431ACar bottom furnace system and method of operation thereofFINKL & SONS CO·Filed 1990·Granted Mar 10, 1992·1 cites·5 claims
- 3224US5180444AMethod for controlled fluid quenching of steelFINKL & SONS CO·Filed 1988·Granted Jan 19, 1993·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when FINKL & SONS CO 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 →