DR

Daryl L. Roberts

MS Msp: 9 patents #6 of 28Top 25%
SI Sri International: 4 patents #243 of 1,272Top 20%
AT Ada Technologies: 2 patents #12 of 46Top 30%
GI Gas Research Institute: 1 patents #343 of 808Top 45%
Overall (All Time): #294,353 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11085861 Apparatus for real-time size-distributed measurement of aerosol mass concentration Modi Chen, Lin Li, Virgil A. Marple, Amir A. Naqwi, Francisco J. Romay +1 more 2021-08-10
7325441 Personal mask test system Benjamin Y. H. Liu 2008-02-05
6723568 Method and apparatus for cascade impactor testing of inhalable drug therapies recovery for chemical analysis Benjamin Y. H. Liu, Virgil A. Marple 2004-04-20
6647758 Method and apparatus for verifying integrity of cascade impactors Virgil A. Marple 2003-11-18
6595368 Pre-separator for inlets of cascade impactors Virgil A. Marple 2003-07-22
6561045 Sampler for eliminating particle-related artifacts for flue gas measurement Benjamin Y. H. Liu, Virgil A. Marple, Francisco J. Romay 2003-05-13
6543301 Impactor nozzle plate Virgil A. Marple 2003-04-08
6520673 Mixing devices for sample recovery from a USP induction port or a pre-separator Virgil A. Marple 2003-02-18
6453758 Efficient high-productivity cascade impactors Virgil A. Marple, Benjamin Y. H. Liu 2002-09-24
5936106 Process with porous means to control reaction rate and heat William J. Asher, Jerry L. Jones, Douglas Gottschlich 1999-08-10
5597044 Method for dispersing an atomized liquid stream James R. Butz 1997-01-28
5583240 Exothermic process with porous means to control reaction rate and exothermic heat William J. Asher, Jerry L. Jones, Douglas Gottschlich 1996-12-10
5495893 Apparatus and method to control deflagration of gases James R. Butz 1996-03-05
5399188 Organic emissions elimination apparatus and process for same 1995-03-21
5322913 Polysilazanes and related compositions, processes and uses Yigal Blum, Richard M. Laine, Kenneth B. Schwartz, Robert M. Platz, David J. Rowcliffe +2 more 1994-06-21
4605475 Gas separation process Richard M. Laine 1986-08-12