Patents

Patent # Date Issued Title Inventor(s) Owner (Assignee)
11,815,403 11/14/2023 Specialty Control Thermocouple for Vacuum Heat Treat Furnaces William R. Jones Solar Manufacturing, Inc.
11,053,560 7/6/2021 High Pressure Rapid Gas Quenching Vacuum Furnace Utilizing an Isolation Transformer in the Blower Motor Power System to Eliminate Ground Faults from Electrical Gas Ionization George G. Andress, IV William R. Jones William R. Jones
10,591,214 3/17/2020 High Temperature Low Mass Vacuum Furnace Hot Zone Réal Fradette Benjamin Isaak William R. Jones
10,401,088 9/26/2019 High Temperature Vacuum Furnace Hot Zone with Improved Thermal Efficiency Réal Fradette Benjamin Isaak William R. Jones
9,702,627 7/11/2017 High Temperature Vacuum Furnace Heater Element Support Assembly Robert J. Wilson Mark J. Hughes William R. Jones
9,187,799 11/17/2015 20 Bar super Quench Vacuum Furnace Robert J. Wilson Robert F. Daley William R. Jones
8,088,328 1/3/2012 Vacuum Nitriding Furnace William R. Jones William R. Jones
7,514,035 4/7/2009 Versatile High Velocity Integral Vacuum Furnace William R. Jones William R. Jones
7,105,126 9/12/2006 Flapper Gas Nozzle Assembly Brian C. Shoemaker Vacuum Furnace Systems
6,936,792 8/30/2005 Furnace Cart and Load Transfer System for High Temperature Vacuum Furnaces and Process Therefor William R. Jones William R. Jones
6,111,908 8/29/2000 A High Temperature Vacuum Heater Supporting Mechanism with Cup Shaped Shield William R. Jones William R. Jones
6,023,487 2/8/2000 Process for Repairing Heat Treating Furnaces and Heating Elements Therefor William R. Jones William R. Jones
6,021,155 2/1/2000 Heat Treating Furnace Having Improved Hot Zone William R. Jones William R. Jones
5,965,050 10/12/1999 Curved Graphite Heating Element for an Electric Resistance Heating Furnace Fred W. Ripley David Rinz Vacuum Furnace Systems
5,121,903 6/16/1992 Quenching Arrangement for a Furnace Fred W. Ripley David E. Felker Vacuum Furnace Systems
5,109,917 5/5/1992 Maintenance Arrangement for a Furnace Fred W. Ripley Vacuum Furnace Systems
4,860,306 8/22/1989 Hot Zone Employing Graphite Heating Elements Thomson B. Gibb Vacuum Furnace Systems
4,856,022 8/8/1989 Graphite Hot Zone Assembly William R. Jones William R. Jones
4,850,863 7/25/1989 Sealed Insulating Wall for a Furnace Clifford R. Pierce Vacuum Furnace Systems
4,813,554 3/21/1989 Reversible, Adjustable, Stackable Loading Grid Assembly Clifford R. Pierce Vacuum Furnace Systems
4,765,068 8/23/1988 Hot Zone Arrangement for a Vacuum Furnace Fred W. Ripley Vacuum Furnace Systems
4,760,584 7/26/1988 Hearth Support Arrangement William R. Jones William R. Jones
4,604,056 8/5/1986 Vacuum Furnace System Hearth William R. Jones William R. Jones
4,512,737 4/23/1985 Hot Zone Arrangement for Use in a Vacuum Furnace Clifford R. Pierce Vacuum Furnace Systems
4,499,369 2/12/1985 Heating Element Arrangement for a Vacuum Furnace Thomson B. Gibb Vacuum Furnace Systems
4,490,110 12/25/1984 Plenum Arrangement William R. Jones William R. Jones
4,489,920 12/25/1984 Hot Zone Chamber Wall Arrangement for Use in Vacuum Furnaces William R. Jones William R. Jones
4,425,660 1/10/1984 Shielding Arrangement for a Vacuum Furnace William R. Jones William R. Jones
4,395,832 8/2/1983 Gas Duct Arrangement for a Vacuum Furnace William R. Jones Fred W. Ripley Vacuum Furnace Systems
4,259,538 3/31/1981 Vacuum Furnace Arrangement Having an Improved Heating Element Mounting Means William R. Jones William R. Jones
4,245,943 1/20/1981 Uploading Apparatus for Vacuum Electric Furnaces William J. Metalsky Abar Corporation
4,227,032 10/7/1980 Power Feed Through for Vacuum Electric Furnaces William R. Jones Rush B. Gunther Abar Corporation
4,225,744 9/30/1980 Fixed Thermocouple for Vacuum Electric Furnaces William R. Jones Prem C. Jindal Abar Corporation
4,212,633 7/15/1980 Vacuum Electric Furnace Benjamin A. Kreider William J. Metalsky Abar Corporation
4,124,199 11/7/1978 Process and Apparatus for Case Hardening of Metal Work Pieces William R. Jones Prem C. Jindal Abar Corporation
4,102,637 7/25/1978 Work Support for Vacuum Electric Furnaces Benjamin A. Kreider William J. Metalsky Abar Corporation
3,879,165 4/22/1975 Vacuum Electric Furnaces Benjamin A. Kreider William J. Metalsky Edward N. Cyrway, Jr. Abar Corporation
3,874,845 4/1/1975 Control Operator William J. Metalsky William A. Reynolds Abar Corporation
3,847,539 11/12/1974 Driving Mechanism for Vacuum Electric Furnaces Benjamin A. Kreider William J. Metalsky Abar Corporation
3,812,276 5/21/1974 Resistance Heating Element for Vacuum Furnaces Edward N. Cyrway, Jr. Charles J. Schmidt Abar Corporation
3,739,921 6/19/1973 Fixture for Heat Treating Furnaces Charles J. Schmidt Abar Corporation
3,737,553 6/5/1973 Vacuum Electric Furnace Benjamin A. Kreider William R. Jones William J. Metalsky Thomson B. Gibb Abar Corporation
3,698,698 10/17/1972 Fixture for Heat Treating Furnaces Benjamin A. Kreider Charles J. Schmidt Howard R. Martindell Abar Corporation
3,476,862 11/4/1969 Electric Resistance Heating Elements Edward N, Cyrway, Jr. William J. Metalsky Abar Corporation