Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JR

John Colin Robbins — 16 Patents

TLTexon Lp: 5 patents #1 of 17Top 6%
SLScintrex Limited: 3 patents #2 of 13Top 20%
ULUnisearch Limited: 2 patents #15 of 200Top 8%
Houston, TX: #1,302 of 21,073 inventorsTop 7%
Texas: #9,006 of 125,132 inventorsTop 8%
Overall (All Time): #284,683 of 4,157,543Top 7%
16 Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12398334 Controlled blending of transmix fractions into defined hydrocarbon streams Gary S. Wawak 2025-08-26
12291677 Methods for expanding and enriching hydrocarbon diluent pools Larry D. Mattingly, Ronnie D. Andrews 2025-05-06
12065620 Controlled blending of biodiesel into distillate streams Robert Fransham 2024-08-20
11999916 Methods of blending off transmix into gasoline streams 2024-06-04
11578282 Controlled blending of biodiesel into distillate streams Robert Fransham 2023-02-14
11441088 Controlled blending of transmix fractions into defined hydrocarbon streams Gary S. Wawak 2022-09-13
11421158 Methods for expanding and enriching hydrocarbon diluent pools Larry D. Mattingly, Ronnie D. Andrews 2022-08-23
10865945 Methods for reducing transmix production on petroleum pipelines Gary S. Wawak 2020-12-15
10605411 Methods for reducing transmix production on petroleum pipelines Larry D. Mattingly, Gary S. Wawak 2020-03-31
10480718 Methods for reducing transmix production on petroleum pipelines Larry D. Mattingly, Gary S. Wawak 2019-11-19
6734963 Development of a compact Raman spectrometer for detecting product interfaces in a flow path Heather Gamble, Gervase I. MacKay, Harold I. Schiff 2004-05-11
5764053 Apparatus for use in an optical system, including a movable shutter providing an aperture, preferably for use in differential optical absorption spectroscopy (DOAS) Shachar Nadler 1998-06-09
4517898 Highly accurate projectile for use with small arms Dale M. Davis 1985-05-21
4365153 Detection of certain minerals of zinc, tungsten, fluorine, molybdenum, mercury and other metals using photoluminescence Harold O. Seigel 1982-12-21
4239964 Method for uranium determination John D. Kinrade 1980-12-16
4198568 Apparatus and method for uranium determination John D. Kinrade 1980-04-15