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USPTO Patent Rankings Data through Dec 31, 2025
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Sankaranarayanan Ashok — 34 Patents

OLOlin: 33 patents #13 of 783Top 2%
OLOsprey Metals Limited: 1 patents #11 of 16Top 70%
Bethany, CT: #5 of 116 inventorsTop 5%
Connecticut: #923 of 34,797 inventorsTop 3%
Overall (All Time): #100,737 of 4,157,543Top 3%
34 Patents All Time
Sankaranarayanan Ashok has been granted 34 US patents while listed as an inventor at Olin. The first was granted in 1985 and the most recent in December 1996. Sankaranarayanan Ashok ranks #100,737 of 4,157,543 US inventors in our database (top 2.4%). Patent records list Sankaranarayanan Ashok in Bethany, CT, US.

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE35411 Belt casting of molten metal Harvey P. Cheskis 1996-12-31
5489417 Spray cast copper-manganese-zirconium alloys having reduced porosity William G. Watson, Harvey P. Cheskis 1996-02-06 $2,387,000
5390722 Spray cast copper composites William G. Watson, Harvey P. Cheskis 1995-02-21 $1,075,000
5381847 Vertical casting process Derek E. Tyler, William G. Watson, Harvey P. Cheskis, George A. List 1995-01-17 $4,943,000
5336342 Copper-iron-zirconium alloy having improved properties and a method of manufacture thereof 1994-08-09 $2,505,000
5299628 Method and apparatus for the casting of molten metal 1994-04-05 $1,295,000
5256214 Copper alloys and method of manufacture thereof 1993-10-26 $1,727,000
5251687 Casting of metal strip Harvey P. Cheskis 1993-10-12 $1,545,000
5240061 Substrate for spray cast strip W. Gary Watson, Harvey P. Cheskis, Charles R. Pratt 1993-08-31
5148855 Feeding system for belt casting of molten metal 1992-09-22 $1,601,000
5143140 Spray casting of molten metal Thomas J. Melillo, Michael A. D'Onofrio, W. Gary Watson 1992-09-01 $817,000
5131451 Belt casting of molten metal Harvey P. Cheskis 1992-07-21 $1,067,000
5120612 Incorporation of ceramic particles into a copper base matrix to form a composite material 1992-06-09 $1,787,000
5102620 Copper alloys with dispersed metal nitrides and method of manufacture William G. Watson, Harvey P. Cheskis 1992-04-07 $1,678,000
5078054 Frangible projectile Julius C. Fister 1992-01-07 $5,569,000
5074933 Copper-nickel-tin-silicon alloys having improved processability John F. Breedis 1991-12-24 $2,263,000
5017250 Copper alloys having improved softening resistance and a method of manufacture thereof 1991-05-21 $1,794,000
5015439 Extrusion of metals Derek E. Tyler, Harvey P. Cheskis 1991-05-14 $941,000
5015438 Extrusion of metals Harvey P. Cheskis, Derek E. Tyler 1991-05-14 $941,000
4992415 Method for fabricating ceramic superconductors Bruce M. Guenin 1991-02-12 $1,342,000
4971133 Method to reduce porosity in a spray cast deposit William G. Watson, Brian Mravic, Harvey P. Cheskis 1990-11-20 $1,139,000
4961457 Method to reduce porosity in a spray cast deposit William G. Watson 1990-10-09 $1,654,000
4960752 Process to produce oriented high temperature superconductors William G. Watson 1990-10-02 $1,563,000
4953382 Extrusion of strip material Harvey P. Cheskis, Eugene Shapiro 1990-09-04 $1,159,000
4945973 Thermal conductivity of substrate material correlated with atomizing gas-produced steady state temperature W. Gary Watson, Harvey P. Cheskis 1990-08-07 $3,209,000