Inventor
Frank M. Willis
Inventor
Wenonah, NJ, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus18%
B01DSeparation11%
B29CShaping or joining of plastics11%
B29LIndexing scheme associated with subclass b29c, relating to particular articles11%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
B29DProducing particular articles from plastics or from substances in a plastic state7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
A61MDevices for introducing media into, or onto, the body4%
H05BElectric heating4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
8,936,723'Chromatography column with large diameter end fitting openings'20157,588,683'Column for liquid chromatography with adjustable compression'20097,101,477'Liquid chromatography column having metal to metal seals'20066,679,989'Integral, thru-bore, direct coupled high pressure liquid chromatography guard column'20045,587,116'Process for injection molding optical ferrules'19965,568,581'Injection molded optical ferrules and apparatus and processes for the preparation thereof'19965,482,451'Apparatus for the preparation of optical ferrules'19965,404,417'Apparatus for positioning the center of an optical fiber along a predetermined reference axis'19955,377,289'Optical fiber connector having an apparatus for positioning the center of an optical fiber along a predetermined reference axis'19945,263,105'Connector assembly for connecting an optical fiber cable to a socket'19935,243,673'Opto-electronic component having positioned optical fiber associated therewith'19934,826,276'Optical fiber feedthrough assembly having a rigidizing arrangement therein'19894,647,756'Electrical resistance heating element with signal means to indicate first use'19874,640,776'Plasmapheresis filtration module having pressure balancing and sealing means'19874,639,317'Plasmapheresis filtration module having improved sealing means'19874,636,312'Plasmapheresis filtration module having improved end plate'19874,633,063'Vented heating element for sterile cutting and welding together of thermoplastic tubes'19864,616,050'Filler-containing hardenable resin products'19864,325,682'Apparatus for discharging material'19824,052,939'Tampable chub cartridge'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1996Patents assigned to DU PONT (15)· patent assignee history
1977Based in Hedgesville, WV, US· patent location history
1982–2004Based in Wenonah, NJ, US· patent location history
1986Patents assigned to SIMMONS WALTER J (1)· patent assignee history
2004–2015Patents assigned to AGILENT TECHNOLOGIES INC (4)· patent assignee history
2006–2015Based in West Deptford, NJ, US· patent location history
2015Patents assigned to BARBER WILLIAM (1)· patent assignee history
2015Patents assigned to NICKERSON MARK A (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 15 | 1977–1996 |
| AGILENT TECHNOLOGIES INC | 4 | 2004–2015 |
| BARBER WILLIAM | 1 | 2015 |
| NICKERSON MARK A | 1 | 2015 |
| SIMMONS WALTER J | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wenonah, New Jersey, US | 16 | 1982–2004 |
| West Deptford, New Jersey, US | 3 | 2006–2015 |
| Hedgesville, WV, US | 1 | 1977 |