Inventor
Robert H. Kachik
Inventor
Washington Township, Westmoreland County, PA, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering17%
Y10TTechnical subjects covered by former us classification16%
C23CCoating metallic material14%
B22DCasting of metals8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B23PMetal-working not otherwise provided for6%
F16LPipes6%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel5%
C04BLime, magnesia3%
C21BManufacture of iron or steel3%
PatentTitleYear
5,377,959'Apparatus for improving service life of thermite rail welds'19955,306,361'Method for improving service life of rail welds by aluminothermic heat treatment'19945,215,139'Method and mold for aluminothermic welding of rails'19934,856,170'Rebuilding worn hammer mill hammers'19894,536,237'Aluminothermic reduction reaction mixture'19854,398,588'Method of making a rim-stabilized steel ingot'19834,150,182'Method of producing a refractory lining in a cylinder or tube and resultant article'19794,142,556'Refractory lining tuyere for metallurgical furnace'19794,131,473'Method of forming a high-temperature abrasion-resistant coating on a ferrous metal substrate, and resulting article'19784,117,868'Refractory lined cylindrical article'19784,110,887'Method of repairing slag and cinder pots and other heavy steel articles'1978RE029646'Method or restoring ingot mold stools and closed-bottom ingot mold'19784,048,352'Method of producing a refractory lining in a cylinder or tube'19774,033,399'Method for cladding copper and copper alloys to steel substrates'19774,005,742'Method of restoring ingot mold stools and closed-bottom ingot mold'19773,963,451'Method of forming a high-temperature abrasion-resistant coating on a ferrous metal substrate, and resulting article'19763,956,010'Dry pickling method'19763,947,254'High-temperature abrasion-resistant coating on a ferrous metal substrate'19763,946,793'Method of forming a high-temperature abrasion-resistant coating on a ferrous metal substrate'19763,942,578'Method of repairing large castings'19763,933,191'Method for containing the molten reaction products of a reactive cladding process'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to UNITED STATES STEEL CORP (16)· patent assignee history
1976–1985Based in Washington Township, Westmoreland County, PA, US· patent location history
1976Based in Apollo, PA, US· patent location history
1989–1993Patents assigned to ORGO THERMIT INC (2)· patent assignee history
1989–1995Based in Lakehurst, NJ, US· patent location history
1994Patents assigned to BESCH GORDON O (1)· patent assignee history
1994Patents assigned to GUNTERMANN HANS J (1)· patent assignee history
1994Patents assigned to KACHIK ROBERT H (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED STATES STEEL CORP | 16 | 1976–1985 |
| ORGO THERMIT INC | 2 | 1989–1993 |
| BESCH GORDON O | 1 | 1994 |
| GUNTERMANN HANS J | 1 | 1994 |
| KACHIK ROBERT Hself | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Washington Township, Westmoreland County, Pennsylvania, US | 16 | 1976–1985 |
| Lakehurst, New Jersey, US | 4 | 1989–1995 |
| Apollo, Pennsylvania, US | 1 | 1976 |