Charles O. Etheridge has been granted 12 US patents while listed as an inventor at Fmc . The first was granted in 1989 and the most recent in February 2005. Charles O. Etheridge ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Charles O. Etheridge in Spring, TX, US.
Patents per Year Patents granted per year, 1989 to 2005 Bar chart with a peak of 3 patents in 1994. peak 3 1989: 1 patents 1989 1992: 1 patents 1992 1993: 1 patents 1993 1994: 3 patents 1994 1998: 1 patents 1998 1999: 2 patents 1999 2000: 1 patents 2000 2001: 1 patents 2001 2005: 1 patents 2005
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6851994 Disconnectable mooring system and LNG transfer system and method L. Terry Boatman , Arun Sanjay Duggal , Jerry L. McCollum 2005-02-08
$14,991,000
6257801 Riser arrangement for offshore vessel and method for installation Ron L. Kelm , Yonghui Liu 2001-07-10
$7,436,000
6109989 Submerged pipeline manifold for offloading mooring buoy and method of installation Ron L. Kelm , Yonghui Liu , Jerry L. McCollum 2000-08-29
$9,275,000
5937780 Double point mooring system Martin Kraft , Brent A. Salyer 1999-08-17
$4,104,000
5927224 Dual function mooring lines for storage vessel Peter F. Poranski, Sr. 1999-07-27
$5,923,000
5823131 Method and apparatus for disconnecting and retrieving multiple risers attached to a floating vessel L. Terry Boatman , Ron L. Kelm , Brent A. Salyer , Jerry L. McCollum 1998-10-20
$4,882,000
5372531 Disconnectable mooring system L. Terry Boatman 1994-12-13
5356321 Disconnectable mooring system L. Terry Boatman 1994-10-18
5292271 Disconnectable mooring system L. Terry Boatman 1994-03-08
5240446 Disconnectable mooring system L. Terry Boatman 1993-08-31
5129848 Controllable variable depth mooring system and method Peter F. Poranski, Sr. 1992-07-14
4858937 Pressure controller for a buffer fluid seal Anthony C. Fairlie-Clarke 1989-08-22