DC

Dhruba J. Chakrabarti

AL Alcoa: 12 patents #18 of 632Top 3%
AA Aluminum Company Of America: 4 patents #149 of 1,017Top 15%
AR Arconic: 1 patents #83 of 180Top 50%
NO Novelis: 1 patents #155 of 284Top 55%
Overall (All Time): #235,968 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
11421309 High strength 7xxx aluminum alloys and methods of making the same Rajeev G. Kamat, Rashmi Ranjan Mohanty, Rahul Vilas Kulkarni, Duane E. Bendzinski, Juergen Timm 2022-08-23
10450640 Aluminum alloy products having improved property combinations and method for artificially aging same John Liu, Jay Goodman, Gregory B. Venema, Ralph R. Sawtell, Cynthia M. Krist +1 more 2019-10-22
8961715 Aluminum alloy products having improved property combinations and method for artificially aging same Gary H. Bray, Diana K. Denzer, Jen C. Lin, John M. Newman, Gregory B. Venema +2 more 2015-02-24
8840737 Aluminum alloy products having improved property combinations and method for artificially aging same Gary H. Bray, Diana K. Denzer, Jen C. Lin, John M. Newman, Gregory B. Venema +2 more 2014-09-23
8524014 Aluminum alloy products having improved property combinations and method for artificially aging same John Liu, Jay Goodman, Gregory B. Venema, Ralph R. Sawtell, Cynthia M. Krist +1 more 2013-09-03
8083870 Aluminum alloy products having improved property combinations and method for artificially aging same John Liu, Jay Goodman, Gregory B. Venema, Ralph R. Sawtell, Cynthia M. Krist +1 more 2011-12-27
7678205 Aluminum alloy products having improved property combinations and method for artificially aging same John Liu, Jay Goodman, Gregory B. Venema, Ralph R. Sawtell, Cynthia M. Krist +1 more 2010-03-16
7018489 Artificial aging control of aluminum alloys William D. Bennon, Vivek M. Sample 2006-03-28
6972110 Aluminum alloy products having improved property combinations and method for artificially aging same John Liu, Jay Goodman, Gregory B. Venema, Ralph R. Sawtell, Cynthia M. Krist +1 more 2005-12-06
6911099 Process to improve 6XXX alloys by reducing altered density sites Paul E. Magnusen, Anne E. Zemo, Robert W. Westerlund, Anthony Morales, Daniel T. Moulton 2005-06-28
6613167 Process to improve 6XXX alloys by reducing altered density sites Paul E. Magnusen, Anne E. Zemo, Robert W. Westerlund, Anthony Morales, Daniel T. Moulton 2003-09-02
6576071 High toughness plate alloy for aerospace applications John Liu, Robert W. Westerlund, Gary H. Bray, Terrence N. Thom 2003-06-10
6562154 Aluminum sheet products having improved fatigue crack growth resistance and methods of making same Roberto J. Rioja, Robert W. Westerlund, Anne E. Roberts, Diana K. Denzer, Anthony Morales +2 more 2003-05-13
6444058 High toughness plate alloy for aerospace applications John Liu, Robert W. Westerlund, Gary H. Bray, Terrence N. Thom 2002-09-03
6322646 Method for making a superplastically-formable AL-Mg product Roger D. Doherty 2001-11-27
6063210 Superplastically-formable Al-Mg-Si product and method Roger D. Doherty 2000-05-16
5810949 Method for treating an aluminum alloy product to improve formability and surface finish characteristics Robert W. Westerlund, Bruce A. Halter 1998-09-22
5747135 Thin film pretreatment for memory disks and associated methods Richard A. Hoffman, Craig L. Jensen 1998-05-05
5055257 Superplastic aluminum products and alloys James T. Staley, Stephen F. Baumann, Ralph R. Sawtell, Philip E. Bretz, Craig L. Jensen 1991-10-08