Assignee
CEM CORP
US134 patents
Top patents by PatentIndex Score
US7393920B2Jul 1, 2008
Microwave-assisted peptide synthesis
CEM CORP39 citations96
US6227041B1May 8, 2001
Method and apparatus for measuring volatile content
CEM CORP74 citations96
US4681996AJul 21, 1987
Analytical process in which materials to be analyzed are directly and indirectly heated and dried by microwave radiation
CEM CORP72 citations96
US4566804AJan 28, 1986
Apparatuses, processes and articles for controllably heating and drying materials by microwave radiation
CEM CORP64 citations96
US4554132ANov 19, 1985
Analytical apparatus for determining volatiles, solids, and solvent extractables in a sample
CEM CORP72 citations96
US4291775ASep 29, 1981
Method and apparatus for improving weighing accuracy
CEM CORP53 citations96
US6744024B1Jun 1, 2004
Reaction and temperature control for high power microwave-assisted chemistry techniques
CEM CORP89 citations95
US5796080AAug 18, 1998
Microwave apparatus for controlling power levels in individual multiple cells
CEM CORP134 citations95
US4877624AOct 31, 1989
Digestion and sterilization methods and apparatus
CEM CORP57 citations95
US6288379B1Sep 11, 2001
Use of continuously variable power in microwave assisted chemistry
CEM CORP85 citations94
US6917023B2Jul 12, 2005
Reaction and temperature control for high power microwave-assisted chemistry techniques
CEM CORP42 citations93
US6867400B2Mar 15, 2005
Method and apparatus for continuous flow microwave-assisted chemistry techniques
CEM CORP53 citations93
US6084226AJul 4, 2000
Use of continuously variable power in microwave assisted chemistry
CEM CORP65 citations93
US4835354AMay 30, 1989
Microwave heating apparatus for laboratory analyses
CEM CORP57 citations93
US4753889AJun 28, 1988
Analytical method for determining volatiles, solids and solvent extractables
CEM CORP42 citations93
US9669380B2Jun 6, 2017
Microwave-assisted peptide synthesis
CEM CORP7 citations92
US8846862B2Sep 30, 2014
Microwave-assisted peptide synthesis
CEM CORP7 citations92
US7939628B2May 10, 2011
Microwave-assisted peptide synthesis
CEM CORP15 citations92
US7582728B2Sep 1, 2009
Microwave-assisted peptide synthesis
CEM CORP15 citations92
US7563865B2Jul 21, 2009
Microwave-assisted peptide synthesis
CEM CORP15 citations92
US7550560B2Jun 23, 2009
Microwave-assisted peptide synthesis
CEM CORP15 citations92
US7282184B2Oct 16, 2007
Microwave assisted chemical synthesis instrument with controlled pressure release
CEM CORP12 citations92
US6753517B2Jun 22, 2004
Microwave-assisted chemical synthesis instrument with fixed tuning
CEM CORP28 citations92
US6630652B2Oct 7, 2003
Microwave-assisted chemical synthesis instrument with fixed tuning
CEM CORP21 citations92
US6607920B2Aug 19, 2003
Attenuator system for microwave-assisted chemical synthesis
CEM CORP41 citations92
US6566637B1May 20, 2003
Microwave assisted content analyzer
CEM CORP36 citations92
US6521876B2Feb 18, 2003
Microwave volatiles analyzer with high efficiency cavity
CEM CORP15 citations92
US6373040B2Apr 16, 2002
In-cavity connectors for system detectors in microwave assisted processes
CEM CORP18 citations92
US6320170B1Nov 20, 2001
Microwave volatiles analyzer with high efficiency cavity
CEM CORP32 citations92
US6287526B1Sep 11, 2001
Sealing closure for high pressure vessels in microwave assisted chemistry
CEM CORP27 citations92
US6136276AOct 24, 2000
Flexible vessel and frame for microwave assisted chemistry
CEM CORP28 citations92
US6086826AJul 11, 2000
Pressure sensing reaction vessel for microwave assisted chemistry
CEM CORP26 citations92
US5972711AOct 26, 1999
Microwave assisted chemical processes
CEM CORP35 citations92
US5369034ANov 29, 1994
Use of a ventable rupture diaphragm-protected container for heating contained materials by microwave radiation
CEM CORP98 citations92
US5318754AJun 7, 1994
Microwave ashing apparatuses and components
CEM CORP46 citations92
US5230865AJul 27, 1993
Ventable rupture diaphragm-protected container for heating contained materials by microwave radiation
CEM CORP98 citations92
US5215715AJun 1, 1993
Microwave heated digesting system for digesting materials to be analyzed
CEM CORP63 citations92
US4946797AAug 7, 1990
Microwave-based Kjeldahl method
CEM CORP38 citations92
US4882286ANov 21, 1989
Digestion apparatus useful for a kjeldahl method
CEM CORP47 citations92
US4861556AAug 29, 1989
Microwave-based apparatus and Kjeldahl method
CEM CORP33 citations92
US4565669AJan 21, 1986
Microwave ashing apparatus
CEM CORP49 citations92
US6258329B1Jul 10, 2001
Microwave transparent vessel for microwave assisted chemical processes
CEM CORP64 citations91
US6207462B1Mar 27, 2001
Microwave apparatus and method for analysis of asphalt-aggregate compositions
CEM CORP29 citations91
US6190917B1Feb 20, 2001
Microwave apparatus and method for analysis of asphalt-aggregate compositions
CEM CORP21 citations91
US5620659AApr 15, 1997
Apparatus for preventing explosions during microwave heated solvent extractions
CEM CORP28 citations91
US5443795AAug 22, 1995
Explosion proof microwave heated solvent extraction apparatus
CEM CORP31 citations91
US5427741AJun 27, 1995
Pressure resistant reinforcing means for containers for materials to be microwave heated
CEM CORP60 citations91
US5066843ANov 19, 1991
Heat resistant and light weight container for materials to be ashed, and process for manufacture thereof
CEM CORP23 citations91
US4672996AJun 16, 1987
Self-regulating valve
CEM CORP52 citations91
US4651285AMar 17, 1987
Analytical apparatus and process
CEM CORP27 citations91
Showing the top 50 of 134 patents by PatentIndex Score.