Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Amitava Datta

ACAllied Consulting: 22 patents #3 of 1,310Top 1%
AMAdvanced Components & Materials: 5 patents #1 of 1Top 100%
PAParker-Hannifin: 5 patents #129 of 1,656Top 8%
ALAlliedsignal: 5 patents #294 of 2,631Top 15%
ESEg&G Sealol: 4 patents #2 of 26Top 8%
ASAllegheny Ludlum Steel: 2 patents #15 of 55Top 30%
AIAllegheny Ludlum Industries: 2 patents #1 of 5Top 20%
JCJohn Crane: 2 patents #19 of 77Top 25%
USUsc: 2 patents #5 of 17Top 30%
RGRexnord Gmbh: 1 patents #22 of 58Top 40%
Hamilton Sundstrand: 1 patents #1,184 of 2,079Top 60%
TPThe Advanced Products: 1 patents #7 of 18Top 40%
East Greenwich, RI: #5 of 687 inventorsTop 1%
Rhode Island: #45 of 6,211 inventorsTop 1%
Overall (All Time): #47,742 of 4,157,543Top 2%
54 Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
4924756 Bellows core and method and apparatus for fabrication thereof Donald N. Berube 1990-05-15
4889568 Amorphous alloys for electromagnetic devices cross reference to related applications Lance A. Davis, Nicholas J. DeCristofaro, Jordi Mola Marti 1989-12-26
4838341 Production of low temperature aluminum based brazing alloys Richard L. Bye, Debasis Bose, Santosh K. Das, Colin M. Adam 1989-06-13
4701356 Method of facing using homogeneous, ductile nickel based hardfacing foils Debasis Bose, Nicholas J. DeCristofaro, Claude Henschel 1987-10-20
4701357 Homogeneous, ductile cobalt based hardfacing foils Debasis Bose, Nicholas J. DeCristofaro, Claude Henschel 1987-10-20
4650725 Homogeneous, ductile cobalt based hardfacing foils Debasis Bose, Nicholas J. DeCristofaro, Claude Henschel 1987-03-17
4588452 Amorphous alloys for electromagnetic devices Davidson M. Nathasingh, Ronald Martis, Nicholas J. DeCristofaro 1986-05-13
4587097 Homogeneous low melting temperature brazing filler metal for joining ferrous and non-ferrous alloys Anatol Rabinkin 1986-05-06
4576873 Homogeneous, ductile iron based hardfacing foils Debasis Bose, Nicholas J. DeCristofaro, Claude Henschel 1986-03-18
4573630 Homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1986-03-04
4549687 Homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1985-10-29
4515870 Homogeneous, ductile iron based hardfacing foils Debasis Bose, Nicholas J. DeCristofaro, Claude Henschel 1985-05-07
4515868 Homogeneous, ductile cobalt based hardfacing foils Debasis Bose, Nicholas J. DeChristofaro, Claude Henschel 1985-05-07
4515869 Homogeneous, ductile nickel based hardfacing foils Debasis Bose, Nicholas J. DeCristofaro, Claude Henschel 1985-05-07
4508257 Method of brazing with nickel based alloy Debasis Bose, Nicholas J. DeCristofaro 1985-04-02
4497430 Brazing method using homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1985-02-05
4497429 Process for joining together two or more metal parts using a homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1985-02-05
4489136 Homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1984-12-18
4482397 Method for improving the magnetic permeability of grain oriented silicon steel 1984-11-13
4473413 Amorphous alloys for electromagnetic devices Davidson M. Nathasingh, Ronald Martis, Nicholas J. DeCristofaro 1984-09-25
4460658 Homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1984-07-17
4448852 Homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1984-05-15
4448851 Homogeneous low melting point copper based alloys Debasis Bose, Nicholas J. DeCristofaro 1984-05-15
4448618 Nickel based brazing filler metals Debasis Bose, Nicholas J. DeCristofaro 1984-05-15
4411714 Method for improving the magnetic properties of grain oriented silicon steel Carl P. Stroble 1983-10-25