Francis E. LeVert has been granted 28 US patents while listed as an inventor at Technology For Energy . The first was granted in 1980 and the most recent in April 2014. Francis E. LeVert ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Francis E. LeVert in Knoxville, TN, US.
Patents per Year Patents granted per year, 1980 to 2014 Bar chart with a peak of 3 patents in 1981. peak 3 1980: 1 patents 1980 1981: 3 patents 1982: 1 patents 1982 1988: 2 patents 1989: 1 patents 1989 1993: 1 patents 1994: 1 patents 1994 1995: 1 patents 1996: 1 patents 1996 1998: 1 patents 2001: 2 patents 2001 2002: 2 patents 2003: 2 patents 2003 2005: 2 patents 2007: 3 patents 2007 2008: 1 patents 2011: 2 patents 2011 2014: 1 patents 2014
Issued Patents All Time
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Showing 1–25 of 28 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8696683 Apparatus for removing an object from a lumen — 2014-04-15
8065817 Cushioning apparatus for ambulatory use David Krafsur 2011-11-29
8007418 Portable resistance training device Gerald C. LeVert , Lisa A. LeVert 2011-08-30
7441347 Shock resistant shoe David Krafsur 2008-10-28
7235057 Adjustable foot elevator Faye LeVert 2007-06-26
7219447 Spring cushioned shoe David Krafsur 2007-05-22
7159338 Fluid flow system for spring-cushioned shoe David Krafsur 2007-01-09
6886274 Spring cushioned shoe David Krafsur 2005-05-03
6865824 Fluid flow system for spring-cushioned shoe David Krafsur 2005-03-15
6665957 Fluid flow system for spring-cushioned shoe David Krafsur 2003-12-23
6583617 Barkhausen noise measurement probe with magnetoresistive sensor and cylindrical magnetic shield Gerald C. LeVert 2003-06-24
$60,957,000
6442779 Portable feet elevator Faye LeVert 2002-09-03
$46,786,000
6353656 Radioisotope based x-ray residual stress analysis apparatus David Krafsur , E. Beth Pardue , V. Carol Bailey 2002-03-05
6282814 Spring cushioned shoe David Krafsur 2001-09-04
6240967 Sleeve assembly for protecting conducting wires against damage by cutting implements Gerald C. LeVert 2001-06-05
$50,975,000
5711324 Hair drying curler apparatus Lonnie G. Johnson , John T. Applewhite 1998-01-27
5541464 Thermionic generator Lonnie G. Johnson 1996-07-30
5443108 Upwardly deployed privacy blind Richard LeVert 1995-08-22
5299367 Hair drying curler apparatus Lonnie G. Johnson 1994-04-05
5256878 Self powered detector based monitor for radiographic cameras — 1993-10-26
$9,921,000
4805454 Continuous fluid level detector — 1989-02-21
4765943 Thermal neutron detectors and system using the same Joseph T. DeLorenzo , James C. Robinson , Robert W. Hendricks 1988-08-23
4722610 Monitor for deposition on heat transfer surfaces James C. Robinson , Jerry Golden 1988-02-02
4316180 Directional detector of changes in a local electrostatic field — 1982-02-16
4280684 Manual automobile pusher — 1981-07-28