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

Stephen Attree — 15 Patents

CECellfor: 12 patents #1 of 30Top 4%
USUniversity Of Saskatchewan: 2 patents #75 of 306Top 25%
Saskatoon, CA: #50 of 909 inventorsTop 6%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Stephen Attree has been granted 15 US patents while listed as an inventor at Cellfor. The first was granted in 1995 and the most recent in February 2012. Stephen Attree ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Stephen Attree in Saskatoon, SK, CA.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8124412 Method of culturing conifer somatic embryos using S(+)-abscisic acid Lisheng Kong, Plamen Denchev, Reed Radley, Irina I. Lobatcheva 2012-02-28
PP22079 Slash pine tree named ‘CF PS1-3352’ John Pait, Plamen Denchev, Robert Weir, Andy Benowicz 2011-08-16
PP21973 Loblolly pine tree named ‘CF LP1-7696’ John Pait, Nicholas Muir, Plamen Denchev, Robert Weir, Andy Benowicz 2011-06-14
7951594 Method of culturing conifer somatic embryos using S(+)-abscisic acid Lisheng Kong, Plamen Denchev, Reed Radley, Irina I. Lobatcheva 2011-05-31
7923249 Aerated liquid priming of conifer somatic germinants Marlies Rise, Steven Grossnickle, Shihe Fan, Plamen Denchev, Patricia Marietta Krol +1 more 2011-04-12
7906334 Method for reproducing conifers by somatic embryogenesis using lactose as a carbon source Plamen Denchev, Lisheng Kong, Chia-Jung Tsai, Reed Radley, Irina I. Lobatcheva 2011-03-15
7901922 Nutrient medium used for ex vitro sowing, germination, growth and conversion of plant somatic embryos or germinants Shihe Fan, Steven Grossnickle, Marlies Rise, Raymund Folk 2011-03-08
7795029 Method of ex vitro sowing, germination, growth and conversion of plant somatic embryos or germinants Shihe Fan, Steven Grossnickle, Marlies Rise, Raymund Folk 2010-09-14
PP19793 Loblolly pine tree named ‘CF Q7766’ John Pait, Plamen Denchev, Robert Weir, Andy Benowicz 2009-03-03
PP19447 Loblolly pine tree named ‘CF L3791’ John Pait, Plamen Denchev, Robert Weir, Andy Benowicz 2008-11-11
6627441 Increasing levels of growth regulator and/or water stress during embryo development 2003-09-30
6372496 Desiccation-tolerant gymnosperm embryos Lawrence C. Fowke 2002-04-16
6340594 Production of desiccation-tolerant gymnosperm embryos Lawrence C. Fowke 2002-01-22
5985667 Maturation, desiccation and encapsulation of gymnosperm somatic embryos Lawrence C. Fowke 1999-11-16
5464769 Desiccated conifer somatic embryos Lawrence C. Fowke 1995-11-07