John H. Thiermann has been granted 14 US patents while listed as an inventor at Briggs & Stratton . The first was granted in 1993 and the most recent in March 2012. John H. Thiermann ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list John H. Thiermann in Milwaukee, WI, US.
Patents per Year Patents granted per year, 1993 to 2012 Bar chart with a peak of 2 patents in 1993. peak 2 1993: 2 patents 1993 1995: 2 patents 1995 1996: 1 patents 1996 1997: 1 patents 1997 2002: 1 patents 2002 2004: 2 patents 2004 2005: 2 patents 2005 2006: 2 patents 2006 2012: 1 patents 2012
Issued Patents All Time
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Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8136350 Catalytic muffler having crossover passageway for secondary air David Duch , Gary J. Gracyalny 2012-03-20
$6,512,000
7069915 Pressure actuated fuel vent closure and fuel shutoff apparatus Billy Brandenburg , Peter Nushart , Gary J. Gracyalny 2006-07-04
6986340 Automatic fuel vent closure and fuel shutoff apparatus having mechanical actuation Gary J. Gracyalny 2006-01-17
$7,229,000
6886518 Retainer for release member Gary J. Gracyalny 2005-05-03
$10,391,000
6874457 Vacuum release mechanism Gary J. Gracyalny 2005-04-05
$10,394,000
6782861 Vacuum release mechanism Gary J. Gracyalny 2004-08-31
$8,952,000
6691683 Automatic fuel vent closure and fuel shutoff apparatus having electrical actuation Gary J. Gracyalny 2004-02-17
$6,500,000
6382166 Balancing system using reciprocating counterbalance weight Daniel L. Klika 2002-05-07
$5,038,000
5628352 Closable pour spout for fluid dispensing container Gary J. Gracyalny 1997-05-13
$6,411,000
D372871 Gasoline container Gary J. Gracyalny 1996-08-20
5406994 Portable gasoline container Robert K. Mitchell 1995-04-18
$5,412,000
D356951 Gasoline container Robert K. Mitchell , Kipp K. Stevens 1995-04-04
5234038 Pour spout Robert K. Mitchell , Paul R. Ruppel , Daniel E. Braun 1993-08-10
$6,751,000
5228487 Pour spout Paul R. Ruppel 1993-07-20
$5,846,000