David Michael Byers has been granted 12 US patents while listed as an inventor at Delphi Technologies . The first was granted in 1997 and the most recent in February 2007. David Michael Byers ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list David Michael Byers in Saginaw, MI, US.
Patents per Year Patents granted per year, 1997 to 2007 Bar chart with a peak of 3 patents in 1998. peak 3 1997: 1 patents 1997 1998: 3 patents 1998 2001: 1 patents 2001 2002: 2 patents 2002 2003: 2 patents 2003 2004: 1 patents 2004 2006: 1 patents 2006 2007: 1 patents 2007
Issued Patents All Time
Profile Widget
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7178834 Adaptive release capsule for steering column Xiaoyu Li , John F. Schulz , Tracy L. Zehnder , Richard K. Riefe 2007-02-20
7137499 Steering column mounted power transmission shifter Richard K. Riefe , Tamara J. Reppuhn , Michael C. Vermeersch , Ravindra Jwalapathy 2006-11-21
6769715 Responsive energy absorbing device for a steering column Richard K. Riefe , Richard P. Nash 2004-08-03
6641167 Responsive E/A system for steering columns Richard K. Riefe , James Salois 2003-11-04
$3,881,000
6592148 Steering column lower bracket Richard K. Riefe , James Salois , Michael John Clayton , Marc William Heinzman 2003-07-15
$2,284,000
6481310 Fine increment tilt mechanism William J Janeczko , Thomas Glowacki , Albert C. Huber 2002-11-19
$1,495,000
6454302 Energy absorber for motor vehicle steering column Xiaoyu Li , Kevin Roe 2002-09-24
$1,004,000
6322103 Energy absorber for motor vehicle steering column Xiaoyu Li , Kevin Roe 2001-11-27
$10,722,000
5790780 Analysis of failures in a computing environment Harriet E. Brichta , Connie K. Stanley , Geoffrey J. Gerling , Henry E. Schurig, III , MITCHELL WELLS 1998-08-04
$166,415,000
5718132 Anti-theft steering shaft lock Richard K. Riefe , Michael P. Anspaugh 1998-02-17
5706704 Energy absorbing steering column for motor vehicle Richard K. Riefe , Howard D. Beauch , Michael P. Anspaugh 1998-01-13
5669634 Energy absorber for motor vehicle steering column Marc William Heinzman , Michael P. Anspaugh , Richard K. Riefe 1997-09-23
