Inventor
Clifford L. Johns
Inventor
Louisville, KY, US
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry39%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure12%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
Y10TTechnical subjects covered by former us classification6%
G01FMeasuring volume, volume flow, mass flow or liquid level3%
G09FDisplaying3%
A47BTables1%
B01DSeparation1%
B01LChemical or physical laboratory apparatus for general use1%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials1%
PatentTitleYear
10,710,039Device and method for loading pellets202010,493,417Method for loading pellets201910,267,968Lighting and communication system for confined space20199,500,631'Device for testing vertical tubes in a chemical reactor'20169,293,067'Device for marking a wire'20169,205,391'Device for injecting gas into the tubes of a chemical reactor'20159,149,778'Device and method for dispensing catalyst pellets'20159,138,709'Device and method for dispensing pellets'20159,138,710'Device for unloading catalyst from a reactor vessel'20159,034,110'Method of cleaning tubes'20158,753,452'Method for treating vertical tubes in a chemical reactor'20148,752,291'Method for marking tubes in a shell and tube heat exchanger'20148,752,912'Carrying case conversion to desk'20148,646,492'Device for loading catalyst into a reactor vessel'20148,562,270'Loading arrangement including a dam for confining catalyst and other particles on the top tubesheet of a chemical reactor'20138,511,249'Pointer arrangement for marking tubes in a shell and tube heat exchanger'20138,336,586'Loading sleeve and method for loading chemical reactor tubes'20128,166,811'Device and process for precision loading of particles in a vertical tube chemical reactor'20128,063,778'Device and method for indicating the condition of tubes on a tubesheet'20118,061,524'Device and method for transporting catalyst to a reactor vessel'20117,913,543'Method of using a device for measuring the back pressure in chemical reactor tubes'20117,878,225'Vacuum attachment and method'20117,861,875'Seal for tube'20117,836,919'Device for loading chemical reactor tubes'20107,818,995'Device for measuring back pressure in open-ended chemical reactor tubes'20107,765,948'Device and method for identifying the row number on a tubesheet'20107,748,255'Method for assessing chemical reactor tubes'20107,673,496'Device for measuring back pressure in chemical reactor tubes'20107,458,401'Method for loading reactor tubes'20087,285,251'Tool for loading reactor tubes'2007D0539441'Tile surface'20076,981,404'Device and method for use with chemical reactor tubes'20066,725,706'Device and method for blowing down and measuring the back pressure of chemical reactor tubes'20046,592,365'Seal for oven circulating fan'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2020Based in Louisville, KY, US· patent location history
2004–2020Patents assigned to TUBEMASTER INC (16)· patent assignee history
2011–2016Patents assigned to EXTUNDO INC (16)· patent assignee history
2011–2015Patents assigned to JOHNS CLIFFORD L (14)· patent assignee history
2013–2015Patents assigned to MCANDREWS DENNIS (7)· patent assignee history
2014–2015Patents assigned to CHASMAWALA MUNAF (4)· patent assignee history
2019Based in Plano, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXTUNDO INC | 16 | 2011–2016 |
| TUBEMASTER INC | 16 | 2004–2020 |
| JOHNS CLIFFORD Lself | 14 | 2011–2015 |
| MCANDREWS DENNIS | 7 | 2013–2015 |
| CHASMAWALA MUNAF | 4 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Louisville, KY, US | 32 | 2003–2020 |
| Plano, Texas, US | 2 | 2019 |