Inventor
ELLEFSON ROBERT E
US8 patents
⚠️ This page may combine multiple inventors who share the name “ELLEFSON ROBERT E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEYBOLD INFICON INC
3 patentsUS5889281AMar 30, 1999
Method for linearization of ion currents in a quadrupole mass analyzer
LEYBOLD INFICON INC21 citations91
US6091068AJul 18, 2000
Ion collector assembly
LEYBOLD INFICON INC36 citations86
USRE38138EJun 10, 2003
Method for linearization of ion currents in a quadrupole mass analyzer
LEYBOLD INFICON INC10 citations72
INFICON INC
3 patentsUS7041984B2May 9, 2006
Replaceable anode liner for ion source
INFICON INC11 citations82
US6642641B2Nov 4, 2003
Apparatus for measuring total pressure and partial pressure with common electron beam
INFICON INC4 citations60
US6476612B1Nov 5, 2002
Louvered beam stop for lowering x-ray limit of a total pressure gauge
INFICON INC3 citations60