Inventor · disambiguated record
Brad S. Veldkamp
Also filed as: VELDKAMP BRAD S
11 granted patents·51 citations·filing 2007–2020
88Inventor score
Top patents by PatentIndex Score
11 records- 0193US8431045B2Ligand exchange thermochromic systems and high ε ligands for sameBYKER HARLAN J·Filed 2012·Granted Apr 30, 2013·11 cites·7 claims
- 0293US7542196B2Ligand exchange thermochromic, (LETC), systemsPLEOTINT LLC·Filed 2007·Granted Jun 2, 2009·13 cites·18 claims
- 0393US7525717B2Multi-layer ligand exchange thermochromic systemsPLEOTINT LLC·Filed 2007·Granted Apr 28, 2009·13 cites·19 claims
- 0490US8018639B2Ligand exchange thermochromic, (LETC), systemsPLEOTINT LLC·Filed 2009·Granted Sep 13, 2011·7 cites·26 claims
- 0588US8182718B2Ligand exchange thermochromic systems and high ε ligands for sameBYKER HARLAN J·Filed 2007·Granted May 22, 2012·7 cites·18 claims
- 0670US12503543B2Curable photochromic polycarbodiimide compositionsTRANSITIONS OPTICAL LTD·Filed 2019·Granted Dec 23, 2025·0 cites·15 claims
- 0770US12247168B2Curable photochromic compositions including an oxazoline functional materialTRANSITIONS OPTICAL LTD·Filed 2019·Granted Mar 11, 2025·0 cites·15 claims
- 0859US9011734B2Ligand exchange thermochromic, (LETC), systemsBYKER HARLAN J·Filed 2011·Granted Apr 21, 2015·0 cites·17 claims
- 0955US12360401B2Photochromic film laminateTRANSITIONS OPTICAL LTD·Filed 2019·Granted Jul 15, 2025·0 cites·20 claims
- 1055US12163045B2Photochromic composition with polyol and poly(anhydride)TRANSITIONS OPTICAL LTD·Filed 2019·Granted Dec 10, 2024·0 cites·14 claims
- 1149US12319862B2Method for preparing a coated articleTRANSITIONS OPTICAL LTD·Filed 2020·Granted Jun 3, 2025·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →