DB

David Barratt

Shell Oil Compny: 3 patents #1,070 of 4,423Top 25%
CH Crystal Fountains Holdings: 1 patents #2 of 7Top 30%
DL Davy Mckee (Sheffield) Limited: 1 patents #11 of 34Top 35%
Overall (All Time): #992,637 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9662674 Systems and methods for underwater wireless radio-frequency communications George E. Ayer, Kifah Al-Ansari 2017-05-30
5948126 Gasoline composition Gautam Tavanappa Kalghatgi, Jian Lin 1999-09-07
5925152 Gasoline composition Jian Lin 1999-07-20
5891202 Gasoline composition Gautam Tavanappa Kalghatgi, Jian Lin 1999-04-06
4459695 Fault finding in an industrial installation by means of a computer John P. Russell 1984-07-10