Herbert E. Townsend has been granted 13 US patents while listed as an inventor at Bethlehem Steel . The first was granted in 1981 and the most recent in February 2009. Herbert E. Townsend ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Herbert E. Townsend in Center Valley, PA, US.
Patents per Year Patents granted per year, 1981 to 2009 Bar chart with a peak of 2 patents in 1981. peak 2 1981: 2 patents 1981 1982: 1 patents 1983: 1 patents 1983 1984: 1 patents 1985: 1 patents 1985 1986: 2 patents 1989: 1 patents 1989 1991: 1 patents 1993: 1 patents 1993 2000: 1 patents 2009: 1 patents 2009
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7490416 Shoe with cushioning and speed enhancement midsole components and method for construction thereof — 2009-02-17
6131473 Retractable humidity sensor for use in corrosion test chambers Jay D. Hoffman 2000-10-17
$4,148,000
5238510 Metal sheet and method for producing the same Ronald Dutton , Robert Forbes 1993-08-24
$6,559,000
5043230 Zinc-maganese alloy coated steel sheet Vijay JAGANNATHAN 1991-08-27
$11,775,000
4840712 Process for improving wear on conductor rolls in electroplating of steel surfaces Richard N. Steinbicker , Yung-Herng Yau 1989-06-20
$5,317,000
4615732 Fe-Al-Cr-P-(B,C) amorphous alloy Chakrakodi R. Shastry 1986-10-07
$4,747,000
4606800 Coating method and product thereof Robert G. Hart 1986-08-19
$2,592,000
4500399 Method of producing metal-filled organic coating Robert G. Hart 1985-02-19
$6,920,000
4479832 Method of producing light absorptive surface on aluminum zinc alloy coated product Robert G. Hart 1984-10-30
$4,714,000
4401727 Ferrous product having an alloy coating thereon of Al-Zn-Mg-Si Alloy, and method Neal S. Berke 1983-08-30
$3,834,000
4350540 Method of producing an aluminum-zinc alloy coated ferrous product to improve corrosion resistance Louis K. Allegra , Angelo R. Borzillo 1982-09-21
$2,068,000
4287009 Method of producing an aluminum-zinc alloy coated ferrous product to improve corrosion resistance Louis K. Allegra , Angelo R. Borzillo 1981-09-01
$1,306,000
4264684 Zinc-alloy coated ferrous product resistant to embrittlement Louis K. Allegra , James B. Horton 1981-04-28
$3,997,000