DA

David J. Altknecht

IBM: 20 patents #5,451 of 70,183Top 8%
Overall (All Time): #220,203 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11238896 Passive retraction of a hub clamp in an optical disc drive Daniel F. Smith, John S. Best 2022-02-01
10692526 Actuator tip calibration for robotic optical storage system Daniel F. Smith 2020-06-23
10658001 Method and system for selecting and moving a single disc in an optical disc library John S. Best, Donald S. Bethune, William M. Dyer 2020-05-19
10600441 Disc gripper for storage discs Donald S. Bethune, William M. Dyer 2020-03-24
10580451 Disc storage cassettes comprising index features Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson +1 more 2020-03-03
10546608 Method and system for selecting and moving a single disc in an optical disc library John S. Best, Donald S. Bethune, William M. Dyer 2020-01-28
10529371 Actuator tip calibration for robotic optical storage system Daniel F. Smith 2020-01-07
10438629 Disc storage cassettes comprising track connectors Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson +1 more 2019-10-08
10242705 Disc storage cassettes comprising a movable bale Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson +1 more 2019-03-26
10186295 Disc gripper for storage disc John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +2 more 2019-01-22
10127941 Optical disk drive guide John S. Best, William M. Dyer, A. David Erpelding, Steven R. Hetzler 2018-11-13
9984722 Disc storage cassettes Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson +1 more 2018-05-29
9741389 High performance robotic optical storage system John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +2 more 2017-08-22
9741390 Optical disc drive John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +2 more 2017-08-22
9672863 Disc gripper for storage discs John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +2 more 2017-06-06
9633686 Disc storage cassettes Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson +1 more 2017-04-25
9570221 Permanent magnetic chucking device with large force differential James Best, William M. Dyer, Pierre-Olivier Jubert, Ronald R. Labby, Gary M. McClelland 2017-02-14
9117462 Tape drive with overlapped operations John S. Best, Steven R. Hetzler, Gary M. McClelland 2015-08-25
8673791 Method and apparatus for substrate-mask alignment Robert E. Erickson, Christopher O. Lada, Stuart Stephen Papworth Parkin, Mahesh G. Samant 2014-03-18
8657352 Robotic device for substrate transfer applications Robert E. Erickson, Christopher O. Lada, Stuart Stephen Papworth Parkin, Mahesh G. Samant 2014-02-25