Michael D. Steinhardt has been granted 14 US patents while listed as an inventor at Kohler . The first was granted in 1991 and the most recent in February 2010. Michael D. Steinhardt ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Michael D. Steinhardt in Kiel, WI, US.
Patents per Year Patents granted per year, 1991 to 2010 Bar chart with a peak of 3 patents in 2002. peak 3 1991: 1 patents 1991 1992: 1 patents 1992 1993: 1 patents 1993 1994: 2 patents 1994 1997: 1 patents 1997 1998: 1 patents 1998 1999: 1 patents 1999 2002: 3 patents 2002 2009: 2 patents 2009 2010: 1 patents 2010
Issued Patents All Time
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Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7662283 Modular drinking water filtration system with locking arrangement to assure filter cartridge compatibility Paul W. Eserkaln , Terry P. Zerger , Thomas E. Gaffney 2010-02-16
$18,206,000
7540955 Photocatalytic water treatment apparatus Gary L. Hatch , Michael J. Kurth , Marc A. Anderson 2009-06-02
7540956 Modular drinking water filtration system with removable and replaceable RO spindle Michael J. Kurth , Terry P. Zerger , Paul W. Eserkaln 2009-06-02
$10,554,000
6436282 Flow control module for RO water treatment system Robert R. Gundrum , Michael J. Kurth 2002-08-20
D456486 Filter housing header Michael J. Kurth 2002-04-30
D455194 Filter housing header Michael J. Kurth 2002-04-02
5891334 Filter cartridge retaining assembly Robert R. Gundrum , Robert G. Schumacher, II 1999-04-06
5852835 Plumbing nozzle John A. Fiumefreddo , Michael J. Kurth 1998-12-29
5701388 Combined heater and pump Isadore Balan , Kenneth J. Sieth 1997-12-23
5321860 Shower enclosure assembly Kathleen S. DeKeyser , Kenneth J. Sieth 1994-06-21
5299743 Body spray nozzle Kenneth J. Sieth , Kathleen S. DeKeyser , David K. Rische 1994-04-05
5205490 Body spray nozzle Kathleen S. DeKeyser , Kenneth J. Sieth , David K. Rische 1993-04-27
5143121 Fluid pulse generating apparatus Kathleen S. DeKeyser , Jeffrey F. Tempas 1992-09-01
5046201 Pressurized flush toilet tank Mark A. Risberg , John M. Bloemer 1991-09-10
