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

Mark A. Toffle — 24 Patents

STSeagate Technology: 23 patents #221 of 4,722Top 5%
MPMagnetic Peripherals: 1 patents #58 of 149Top 40%
St. Louis Park, MN: #27 of 602 inventorsTop 5%
Minnesota: #2,764 of 52,454 inventorsTop 6%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Mark A. Toffle has been granted 24 US patents while listed as an inventor at Seagate Technology. The first was granted in 1990 and the most recent in July 2019. Mark A. Toffle ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Mark A. Toffle in St. Louis Park, MN, US.

Patents per Year

Patents granted per year, 1990 to 2019Bar chart with a peak of 3 patents in 2004.peak 31990: 1 patents19901994: 1 patents1995: 1 patents19952000: 1 patents2002: 2 patents20022004: 3 patents2005: 3 patents20052006: 3 patents2008: 2 patents20082009: 1 patents2010: 1 patents20102012: 1 patents2013: 1 patents20132016: 2 patents2019: 1 patents2019

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10344889 Control valves with safety guards 2019-07-09 $11,496,000
9466327 Color coded glass disc spacer 2016-10-11 $15,199,000
9236083 Writer with working fluid bearing Xu Zuo, Brent M. Weichelt, Louis J. Fioravanti 2016-01-12 $8,436,000
8558146 Position control with compensation for thermal cycling of a workpiece support Steve Sheeran, Mark D. Anderson, Rodney Dale Dahlenburg, Colin Presly, Paul J. Poisson 2013-10-15 $24,118,000
8174796 Baseplate interconnect Wayne A. Bonin, Vincent John Reis, Brent M. Weichelt, Jason Zimmerman 2012-05-08 $32,493,000
7765891 Robotic compliance mechanism Mark D. Anderson 2010-08-03 $13,376,000
7535670 Flow or windage control for a cantilevered head assembly Yaling Fan, Xu Zuo, Srinivas Tadepalli 2009-05-19 $23,532,000
7382571 Pressure equalizing fluid flow stripper apparatus Xu Zuo, Xiaohong Sun 2008-06-03 $12,043,000
7345844 Servo track writer with helium bearing Xu Zuo, Brent Melvin Weichelt, Louis J. Fioravanti 2008-03-18 $19,522,000
7154697 Vertically-oriented servo track writer and method Lon Buske, Brent Melvin Weichelt, Thomas Henry Sexton 2006-12-26 $23,513,000
7116524 Servo track writer with actuator vibration isolation Lon Buske, Rodney Dale Dahlenburg, Joel Daniel Phillips, William Raphael, Thomas Henry Sexton +2 more 2006-10-03 $49,565,000
7023643 Detecting transducer position precisely with a reusable sensor assembly John F. Runyon, Brent Melvin Weichelt 2006-04-04 $15,204,000
6952319 Writing position data ex situ using an actuator retractable by a retractable support element Brent Melvin Weiehelt, Lon Buske 2005-10-04 $12,287,000
6937433 Windage suppression device and associated method for a retractable air flow control Rodney Dale Dahlenburg, Brent Melvin Weichelt 2005-08-30 $7,041,000
6900968 Multi-disc servo track writer vibration isolation method and apparatus Lon Buske, Rodney Dale Dahlenburg, Joel Daniel Phillips, William Raphael, Thomas Henry Sexton +2 more 2005-05-31 $14,737,000
6798614 Releasable disc clamping assembly Lon Buske, Rodney Dale Dahlenburg, Joel Daniel Phillips, Brent Melvin Weichelt 2004-09-28 $8,723,000
6775088 Vertically-oriented servo track writer and method Lon Buske, Brent Melvin Weichelt, Thomas Henry Sexton 2004-08-10 $5,607,000
6757136 Apparatus and method for coupling a flex suspension assembly to an actuator assembly Lon Buske, Rodney Dale Dahlenburg, Aldeen R. Goehring, Niandong Liu, Kevin Lambert Mayer +3 more 2004-06-29 $5,468,000
6445540 Linear air bearing with vacuum stiffener Brent Melvin Weichelt 2002-09-03
6407878 Horizontal loader for high density servo track writing Brent Melvin Weichelt, Jason Zimmerman 2002-06-18
6018437 Disc drive servo writer support assembly Brent Melvin Weichelt, Lon Buske 2000-01-25 $15,628,000
5390060 Lock mechanism for restraining a head of a head/arm assembly John J. Pecha 1995-02-14 $19,394,000
5323284 Magnetic transducer receiver for a disk drive John J. Pecha 1994-06-21 $13,589,000
4931338 Test disk having fluorocarbon resin asperities for magnetic disk drive component testing 1990-06-05