Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WD

William A. DeCormier — 9 Patents

SPSpx: 7 patents #49 of 468Top 15%
FSFederal Signal: 2 patents #162 of 717Top 25%
West Poland, ME: #1 of 3 inventorsTop 35%
Maine: #455 of 4,281 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
William A. DeCormier has been granted 9 US patents while listed as an inventor at Spx. The first was granted in 1990 and the most recent in April 2006. William A. DeCormier ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list William A. DeCormier in West Poland, ME, US.

Patents per Year

Patents granted per year, 1990 to 2006Bar chart with a peak of 5 patents in 2004.peak 51990: 1 patents19902003: 1 patents20032004: 5 patents20042005: 1 patents20052006: 1 patents2006

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7034545 Apparatus and method for monitoring transmission systems using off-frequency signals Jeffrey Brown, John L. Schadler, Andre Skalina 2006-04-25 $14,887,000
6917264 Coaxial line phase stabilization assembly and method Cole N. Plummer 2005-07-12 $11,759,000
6712644 Coaxial line section assembly and method with VSWR compensation 2004-03-30 $27,249,000
6710813 Multiplexer for adjacent NTSC and DTV channels Brett J. Grandchamp 2004-03-23 $26,624,000
6704285 Signal multiplexer and method Brett J. Grandchamp 2004-03-09 $6,799,000
6703911 Very high frequency (VHF) sharp tuned elliptic filter and method 2004-03-09 $6,799,000
6703913 Coaxial line phase stabilization assembly and method Cole N. Plummer 2004-03-09 $6,799,000
6580729 Signal multiplexer and method Brett J. Grandchamp 2003-06-17
4951013 Phase shift controlled broadcast switching system David B. Folsom, Philip C. Noll 1990-08-21 $2,943,000