Inventor

Michael W. Pfeiffer

Inventor

Savage, MN, US

Overview

48→

Patents

1989–2021

Patent span

Physics

Primary field (CPC G)

Patents· 48 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer13%

Y10TTechnical subjects covered by former us classification13%

B62MRider propulsion of wheeled vehicles or sledges10%

F16HGearing10%

A45CPurses6%

LOC085%

B23PMetal-working not otherwise provided for4%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%

G05BControl or regulating systems in general4%

E05BLocks2%

PatentTitleYear

D0927954Multi-tool2021 D0922844Tool sleeve2021 D0919485Bar end cap2021 D0886564Multi-tool2020 D0886565Multi-tool2020 10,472,019Axle mounting system2019 10,464,635Chainguide2019 10,387,769Hybrid memory cell unit and recurrent neural network including hybrid memory cell units2019 10,203,683Coordinating end effector and vision controls2019 10,032,498Memory cell unit and recurrent neural network including multiple memory cell units2018 D0801875'Bicycle frame'2017 9,625,027'Sprocket'2017 9,581,229'Sprocket'2017 9,581,231'Sprocket'2017 9,581,230'Sprocket'2017 9,404,565'Sprocket'2016 9,394,986'Sprocket'2016 9,394,987'Sprocket'2016 9,095,395'Surgical K-wire and surgical screw system'2015 9,095,915'Axially positioning a rotating article'2015 8,613,549'Rail section that facilitates rail section alignment'2013 8,499,649'Testing a torque tool'2013 8,108,066'Incremental encoder and serializer'2012 7,757,834'Workpiece presentment to a processing device'2010 7,513,033'Apparatus for workpiece assembly'2009 7,371,041'Assembly station with rotatable turret which forms and unloads a completed stack of articles'2008 7,352,208'Integrated circuit having a plurality of output drivers'2008 7,293,351'Apparatus for protecting and merging a head stack assembly'2007 7,182,024'Flexible rail section'2007 7,165,303'Disc cassette delidder and feeder system for data storage devices'2007 7,063,204'Precision conveyor'2006 6,959,487'Head disc merge assembly for use at a merging station'2005 6,947,253'Method for balancing a rotating assembly using eccentric rings'2005 6,899,346'System for transporting items of luggage'2005 6,888,154'Method of marking and detecting disc index'2005 6,877,215'Compliance mechanism for manipulating a control object'2005 6,729,463'Conveyor with flexible zone parameter control'2004 6,707,639'Balancing system with adjustable eccentric rings for a disc drive assembly'2004 6,679,359'Luggage'2004 6,597,200'Circuit arrangement for scalable output drivers'2003 6,505,083'Apparatus for assembling a disc storage system including a modular input/output board'2003 6,460,683'Conveyor with flexible zone parameter control'2002 6,462,661'RF ID tag attachment to a disc drive'2002 6,427,318'Universal smart merge/demerge tool'2002 6,234,287'Suitcase with interchangeable case-shells'2001 6,212,759'Automated assembly device for assembly of components of a disc drive'2001 4,938,326'Carrying case having a lid with a compartment mounted on the surface of the lid'1990 4,852,371'Lockable portable container, especially suitcase, board case, file case, file case or the like'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Based in Ismaning, DE· patent location history

2001–2019Patents assigned to SEAGATE TECHNOLOGY LLC (23)· patent assignee history

2001–2005Patents assigned to MP MICHAEL PFEIFFER DESIGN & M (3)· patent assignee history

2001–2005Based in Richfield, MN, US· patent location history

2001–2005Based in Faistenhaar, DE· patent location history

2002–2020Based in Savage, MN, US· patent location history

2003–2008Patents assigned to INFINEON TECHNOLOGIES AG (2)· patent assignee history

2012–2015Patents assigned to PFEIFFER MICHAEL WILLIAM (3)· patent assignee history

2016–2021Patents assigned to WOLF TOOTH COMPONENTS LLC (14)· patent assignee history

2021Based in Eden Prairie, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEAGATE TECHNOLOGY LLC	23	2001–2019
WOLF TOOTH COMPONENTS LLC	14	2016–2021
MP MICHAEL PFEIFFER DESIGN & Mself	3	2001–2005
PFEIFFER MICHAEL WILLIAMself	3	2012–2015
INFINEON TECHNOLOGIES AG	2	2003–2008

Locations

Location	Patents	Span
Savage, Minnesota, US	28	2002–2020
Richfield, Minnesota, US	7	2001–2005
Eden Prairie, Minnesota, US	3	2021
Faistenhaar, DE	3	2001–2005
Ismaning, DE	2	1989–1990