Christopher M. Powers has been granted 10 US patents while listed as an inventor at Spx . The first was granted in 1993 and the most recent in June 2011. Christopher M. Powers ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Christopher M. Powers in Bryan, OH, US.
Patents per Year Patents granted per year, 1993 to 2011 Bar chart with a peak of 5 patents in 1993. peak 5 1993: 5 patents 1993 1994: 3 patents 1994 1995: 1 patents 1995 2011: 1 patents 2011
Issued Patents All Time
Profile Widget
Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7959591 Device and method for externally rotating the femur Colin S. Gregersen , John Patrick Martin 2011-06-14
5388416 Refrigerant handling method with air purge and system clearing capabilities Kenneth W. Manz 1995-02-14
$1,400,000
5367886 Refrigerant handling system with air purge and system clearing capabilities Kenneth W. Manz 1994-11-29
$1,423,000
5325675 Refrigerant handling system and method with enhanced recovery vacuum capability Kenneth W. Manz 1994-07-05
$1,772,000
5285647 Refrigerant handling system with air purge and multiple refrigerant capabilities Kenneth W. Manz , Sandra Snyder 1994-02-15
$1,739,000
5261249 Refrigerant handling system with auxiliary condenser flow control Kenneth W. Manz 1993-11-16
$1,683,000
5211024 Refrigerant filtration system with filter change indication Kenneth W. Manz 1993-05-18
$1,848,000
5209077 Refrigerant recovery system Kenneth W. Manz , Charles E. Dull 1993-05-11
$977,000
5203177 Refrigerant handling system with inlet refrigerant liquid/vapor flow control Kenneth W. Manz , Gregg E. Laukhuf 1993-04-20
$2,081,000
5182918 Refrigerant recovery system Kenneth W. Manz 1993-02-02
$2,276,000