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Inventor

Albert L. Renkey

Inventor
Bridgeville, PA, US

Overview

4→
Patents
1977–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C04Bprimary
C04BLime, magnesia67%
C21BManufacture of iron or steel17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
5,322,827'Burned refractories with low soluble chromium'19945,206,193'High purity fused grain in the system Al.sub.2 O.sub.3 -Cr.sub.2 O.sub.3 -MGO'19934,521,357'Carbon bonded refractories'19854,017,316'Fireproof stamping mass for tap spouts and flues in blast furnaces'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to MAGNESITAL FEUERFEST GMBH (1)· patent assignee history
1977Based in Krefeld, DE· patent location history
1985Patents assigned to DRESSER IND (1)· patent assignee history
1985–1994Based in Bridgeville, PA, US· patent location history
1993–1994Patents assigned to INDRESCO INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INDRESCO INC21993–1994
DRESSER IND11985
MAGNESITAL FEUERFEST GMBH11977
Locations
LocationPatentsSpan
Bridgeville, Pennsylvania, US31985–1994
Krefeld, DE11977