Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WB

Walter Blejde — 45 Patents

NUNucor: 37 patents #2 of 250Top 1%
ICIshikawajima-Harima Heavy Industries Co.: 7 patents #13 of 611Top 3%
BPBhp Steel (Jla) Pty.: 3 patents #9 of 74Top 15%
JLJohn Lysaght (Australia) Limited: 2 patents #3 of 44Top 7%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #64,393 of 4,157,543Top 2%
45 Patents All Time
Walter Blejde has been granted 45 US patents while listed as an inventor at Nucor. The first was granted in 1993 and the most recent in October 2025. Walter Blejde ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Walter Blejde in Wollongong, IN, AU.

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12447525 Application of a learning agent to achieve autonomous operation of a twin roll casting machine Neera Jain SUNDARAM, Jia Ruan, George T. Chiu, Ivan David Parkes 2025-10-21
12162066 Training-free data-driven method for input-output modeling of complex process Jianqi RUAN, Robert Gerard NOONING, JR., Ivan David Parkes, Neera Jain SUNDARAM, George T. Chiu 2024-12-10 $208,470,000
11655519 Thermal cycling for austenite grain refinement James W. Watson, Paul Kelly, Mike Schueren 2023-05-23 $278,240,000
8607847 Method for casting metal strip with dynamic crown control Mark Schlichting, Mike Schueren, Rama Ballav Mahapatra 2013-12-17 $30,045,000
8607848 Method for casting metal strip with dynamic crown control Mark Schlichting, Mike Schueren, Rama Ballav Mahapatra 2013-12-17 $30,045,000
8562766 Method for making a low surface roughness cast strip Jay Jon Ondrovic 2013-10-22 $30,309,000
8322402 Method and apparatus for controlling strip temperature rebound in cast strip Rama Ballav Mahapatra, Mark Schlichting 2012-12-04 $47,057,000
8141618 Strip casting method for controlling edge quality and apparatus therefor Mark Schlichting 2012-03-27 $16,869,000
8042601 Side dam with insert Brian E. Bowman, Michael A. Schueren 2011-10-25 $25,524,000
8016021 Casting steel strip with low surface roughness and low porosity Rama Ballav Mahapatra, Lazar Strezov 2011-09-13 $46,090,000
8002908 Steel product with a high austenite grain coarsening temperature Rama Ballav Mahapatra, James Geoffrey Williams, Frank Barbaro, Philip John Renwick, Harold Roland Kaul +3 more 2011-08-23 $21,848,000
7938164 Production of thin steel strip Rama Ballav Mahapatra, Harold Bradley Rees 2011-05-10 $55,738,000
7926550 Casting delivery nozzle with insert Mike Schueren, David J. Sosinsky, Brian D. White, Mark Schlichting, W. Kent Cooper +4 more 2011-04-19 $28,894,000
7891407 Method and apparatus for localized control of heat flux in thin cast strip Mark Schlichting, Eugene Pretorius 2011-02-22 $61,230,000
7775259 Production of thin steel strip Rama Ballav Mahapatra 2010-08-17 $57,614,000
7594533 Casting steel strip Rama Ballav Mahapatra 2009-09-29 $193,555,000
7591917 Method of producing steel strip Lazar Strezov, Kannappar Mukunthan, Rama Ballav Mahapatra 2009-09-22 $203,117,000
7588649 Casting steel strip Rama Ballav Mahapatra, Lazar Strezov 2009-09-15 $208,141,000
7484551 Casting steel strip Rama Ballav Mahapatra, David J. Sosinsky, Mark Schlichting 2009-02-03 $62,773,000
7485196 Steel product with a high austenite grain coarsening temperature Rama Ballav Mahapatra, James Geoffrey Williams, Frank Barbaro, Philip John Renwick, Harold Roland Kaul +3 more 2009-02-03 $62,773,000
7484550 Casting steel strip Rama Ballav Mahapatra 2009-02-03 $62,773,000
7404431 Production of thin steel strip Rama Ballav Mahapatra 2008-07-29 $164,305,000
7367378 Casting steel strip with low surface roughness and low porosity Rama Ballav Mahapatra, Lazar Strezov 2008-05-06 $193,020,000
7299856 Casting steel strip with low surface roughness and low porosity Rama Ballav Mahapatra, Lazar Strezov 2007-11-27 $62,254,000
7299857 Method and apparatus for localized control of heat flux in thin cast strip Mark Schlichting, Eugene Pretorius 2007-11-27 $62,254,000