Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BT

Brian A. Trumbo — 33 Patents

IBM: 29 patents #3,540 of 70,183Top 6%
LPLenovo (Singapore) Pte.: 4 patents #485 of 1,012Top 50%
Apex, NC: #54 of 1,394 inventorsTop 4%
North Carolina: #1,141 of 45,564 inventorsTop 3%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Brian A. Trumbo has been granted 33 US patents while listed as an inventor at IBM. The first was granted in 1992 and the most recent in July 2019. Brian A. Trumbo ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Brian A. Trumbo in Apex, NC, US.

Patents per Year

Patents granted per year, 1992 to 2019Bar chart with a peak of 4 patents in 2001.peak 41992: 3 patents19921993: 2 patents1994: 1 patents19941995: 2 patents1999: 1 patents19992001: 4 patents2003: 2 patents20032004: 4 patents2005: 2 patents20052006: 1 patents2007: 1 patents20072010: 1 patents2011: 2 patents20112012: 1 patents2014: 2 patents20142015: 2 patents2019: 2 patents2019

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10349559 Cooling fan assembly and guidance track for installing and removing a cooling fan David J. Jensen, Alvin G. Davis, Mark S. Bohannon, Paul A. Wormsbecher 2019-07-09
10234072 Vertical installation of a server midplane David J. Jensen, Brian M. Kerrigan 2019-03-19
8988877 Automatic coupling of independent cooling regions during fan maintenance Kevin M. Cash, David J. Jensen, Jared E. Schott 2015-03-24
8978245 Method of securing electronic devices within a sub-chassis Karl Klaus Dittus, David J. Jensen 2015-03-17
8727138 Toolless rail enabling simplified installation and removal Karl Klaus Dittus, Aubrey Lamond Hodges, Daniel P. Kelaher 2014-05-20 $10,035,000
8724330 Variable latch to position a sub-chassis within a chassis Karl Klaus Dittus, David J. Jensen 2014-05-13 $6,724,000
8339778 Rotating hard drive installation in a computer chassis James E. Hughes, David J. Jensen, Pravin Patel 2012-12-25
8023263 Latch for securing a hardware component into a component bay Martin Joseph Crippen, Brian M. Kerrigan, Charles Piper 2011-09-20 $5,575,000
7881052 Compact HDD carrier mechanism featuring self actuating EMC springs to prevent HDD component shorting Martin Joseph Crippen, David G. Lund, Charles Piper 2011-02-01 $3,711,000
7782606 Hard disk drive carrier latch apparatus Bruce Edwin Baker, Martin Joseph Crippen, Brian M. Kerrigan 2010-08-24 $3,306,000
7247089 Automatic recirculation airflow damper Martin Joseph Crippen, Francis A. Kuchar, Jr., Jason A. Matteson 2007-07-24 $9,916,000
6994572 Apparatus, system, and method for component deactivated interlock Bruce Edwin Baker, Martin Joseph Crippen, Francis A. Kuchar Jr., Peter Andrew Smith 2006-02-07 $5,045,000
6956745 Handling system for use with a blade in a blade server system Brian M. Kerrigan, Gerard Francis Muenkel, Charles Piper 2005-10-18 $9,308,000
6891727 Apparatus and system to mount a device to a rack Karl Klaus Dittus, Cynthia M. Grosser, Dean Frederick Herring, Paul A. Wormsbecher 2005-05-10 $5,425,000
6819567 Apparatus and system for functional expansion of a blade Bruce Edwin Baker, Martin Joseph Crippen, Robert M. Lindsay, Michael S. Miller, Peter Andrew Smith 2004-11-16 $5,414,000
6771499 Server blade chassis with airflow bypass damper engaging upon blade removal Martin Joseph Crippen, Jason A. Matteson 2004-08-03 $6,296,000
D493152 Server blade chassis midplane printed circuit board with cover Bruce Edwin Baker, Martin Joseph Crippen, Michael S. Miller 2004-07-20
6688965 Invertible back flow damper for an air moving device Martin Joseph Crippen, Francis A. Kuchar, Jr., Jason A. Matteson 2004-02-10 $15,099,000
D484508 Server blade enclosure base Martin Joseph Crippen, Michael S. Miller 2003-12-30
D481393 Server module for a computer system Roland K. Alo, Martin Joseph Crippen 2003-10-28
6327139 Electrical equipment rack having cable management arms with flexible linkage David Frederick Champion, Kevin D. Johnson, Michael S. Miller, Glenn E. Myrto 2001-12-04 $28,474,000
6269001 System for enhanced cooling and latching of pluggable electronic component Jason A. Matteson, Eric T. Gamble, Karl Klaus Dittus 2001-07-31 $29,242,000
6201692 Disk drive enclosure optimized for mixed slim and half high drive size Eric T. Gamble, John Geoffrey Gundlach, Edward J. McNulty, Paul A. Wormsbecher 2001-03-13 $29,262,000
6182173 Hot plug adapters using optical switches Cynthia M. Grosser, Susan P. Wise, Michael S. Miller, Michael J. Huck, Steven E. Howell +3 more 2001-01-30 $13,187,000
D413587 Modular computer base and tower unit Roland K. Alo, David Wayne Hill 1999-09-07