Christopher Freeman has been granted 20 US patents while listed as an inventor at Rolls-Royce Plc . The first was granted in 1985 and the most recent in March 2023. Christopher Freeman ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Christopher Freeman in Childers, OH, AU.
Patents per Year Patents granted per year, 1985 to 2023 Bar chart with a peak of 4 patents in 2004. peak 4 1985: 1 patents 1985 1987: 1 patents 1994: 2 patents 1994 2000: 1 patents 2003: 2 patents 2003 2004: 4 patents 2005: 1 patents 2005 2007: 2 patents 2008: 1 patents 2008 2012: 1 patents 2013: 1 patents 2013 2017: 1 patents 2021: 1 patents 2021 2023: 1 patents 2023
Issued Patents All Time
Profile Widget
Showing 1–20 of 20 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11604293 Boron trifluoride as a quench gas for neutron proportional counters — 2023-03-14
11201041 Gas electron multiplier board photomultiplier Kevin Scott McKinny , Casey Hale , Jonas Burke , Matthew Steinhart , Matthew Thomas McPheeters 2021-12-14
$13,293,000
9765753 Impulse turbine for use in bi-directional flows Steven James Herring , Kevin Banks 2017-09-19
8596955 Impulse turbine for use in bi-directional flows Steven James Herring , Kevin Banks 2013-12-03
8282341 Rotor arrangement Ivor J Day 2012-10-09
7364118 Propulsion arrangement David S Knott 2008-04-29
7200999 Arrangement for bleeding the boundary layer from an aircraft engine Adam M Bagnall 2007-04-10
7165744 Turbine engine arrangements Nicholas Howarth 2007-01-23
6959550 Combustion chamber Ivor J Day , Thomas Scarinci 2005-11-01
6732527 Combustion chamber Ivor J Day , Thomas Scarinci 2004-05-11
6722847 Fan for a turbofan gas turbine engine Adam M Bagnall 2004-04-20
6701717 Cycle gas turbine engine Richard Flatman 2004-03-09
6698206 Combustion chamber Thomas Scarinci , Ivor J Day 2004-03-02
6532742 Combustion chamber Thomas Scarinci , Ivor J Day 2003-03-18
6524074 Gas turbine engine blade Peter G. G. Farrar 2003-02-25
6009701 Ducted fan gas turbine engine having a frangible connection Peter G. G. Farrar , Martyn Richards , John Allen , Kenneth F. Udall , David M Beaven 2000-01-04
5340271 Flow control method and means Ivor J Day , William B. Wright 1994-08-23
5275528 Flow control method and means Ivor J Day 1994-01-04
4671738 Rotor or stator blades for an axial flow compressor — 1987-06-09
4531362 Aerodynamic damping of vibrations in rotor blades Brian Barry 1985-07-30
