Inventor
Calvin L. Stegemoeller
Inventor
Duncan, OK, US
Overview
Patents· 52 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling20%
B01FMixing, e.g. dissolving, emulsifying or dispersing16%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers12%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B62DMotor vehicles5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
B28CPreparing clay4%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like4%
LOC234%
PatentTitleYear
11,091,332Container bulk material delivery system202110,919,693Bulk material handling system for reduced dust, noise, and emissions202110,654,645Bulk material handling system for reduced dust, noise, and emissions202010,640,288Rotary clamshell gate actuator for bulk material container202010,625,958Rapid switching dual proppant delivery system202010,569,242Blender unit with integrated container support frame202010,526,136Mobile support structure for bulk material containers202010,494,187Recirculating proppant conveyor system2019RE047695Electric or natural gas fired small footprint fracturing fluid blending and pumping equipment201910,442,614Semi-rigid bulk material storage container201910,336,533Collapsible particulate matter container201910,294,045Bucket conveyor system on storage/delivery system201910,259,988Polymer hydration system and method201910,184,300Transportable equipment platform2019D0830235Structure trailer201810,065,815Compact proppant storage and dispensing system201810,001,002Particle dust control with liquid binding agents2018RE046725'Electric or natural gas fired small footprint fracturing fluid blending and pumping equipment'20189,751,575'Self-aligning trailer'2017D0783772'Soft-sided proppant container'2017D0783771'Soft-sided proppant container'2017D0780883'Rigid proppant container'20179,375,691'Method and apparatus for centrifugal blending system'20169,260,257'Methods and systems for material transfer'20168,840,298'Centrifugal mixing system'20148,834,012'Electric or natural gas fired small footprint fracturing fluid blending and pumping equipment'20148,734,081'Methods and systems for material transfer'20148,727,004'Methods of treating subterranean formations utilizing servicing fluids comprising liquefied petroleum gas and apparatus thereof'20148,444,312'Methods and systems for integral blending and storage of materials'20138,313,269'Pneumatic particulate material fill systems and methods'20127,931,088'Methods for treating a well by simultaneously introducing into a mixer streams of water, a viscosity-increasing agent, and a particulate and introducing the mixture into the well'20117,926,564'Portable well treating fluid mixing system and method'20117,703,518'Dust control system for transferring dry material used in subterranean wells'20106,948,535'Apparatus and method for accurately metering and conveying dry powder or granular materials to a blender in a substantially closed system'20056,398,453'Telescoping spreader box with replaceable strike-off system'20026,194,472'Petroleum hydrocarbon in water colloidal dispersion'20015,980,153'Telescoping auger shaft and method of manufacture'19995,590,976'Mobile paving system using an aggregate moisture sensor and method of operation'19975,570,743'Continuous multi-component slurrying process at oil or gas well'19965,522,459'Continuous multi-component slurrying process at oil or gas well'19965,452,954'Control method for a multi-component slurrying process'19955,111,955'Non-metallic acid hatch'19925,006,034'Lifting apparatus'19914,919,540'Self-leveling mixer apparatus'19904,913,554'Lifting apparatus'19904,900,157'Blender system with concentrator'19904,898,473'Blended system with concentrator'19904,854,714'Blender vehicle apparatus'19894,850,701'Skid-mounted self-leveling mixer apparatus'19894,850,750'Integrated blending control system'19894,802,141'Self-leveling mixer with mechanical agitation'19894,490,047'Constant level additive mixing system'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1996Patents assigned to HALLIBURTON CO (14)· patent assignee history
1984–2021Based in Duncan, OK, US· patent location history
1997Based in Waco, TX, US· patent location history
1999–2002Based in Hewitt, TX, US· patent location history
2005–2014Patents assigned to HALLIBURTON ENERGY SERV INC (10)· patent assignee history
2013–2014Patents assigned to STEGEMOELLER CALVIN L (4)· patent assignee history
2013–2014Patents assigned to CASE LEONARD R (3)· patent assignee history
2016–2021Patents assigned to HALLIBURTON ENERGY SERVICES INC (22)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 22 | 2016–2021 |
| HALLIBURTON CO | 14 | 1984–1996 |
| HALLIBURTON ENERGY SERV INC | 10 | 2005–2014 |
| STEGEMOELLER CALVIN Lself | 4 | 2013–2014 |
| CASE LEONARD R | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Duncan, OK, US | 48 | 1984–2021 |
| Hewitt, Texas, US | 3 | 1999–2002 |
| Waco, Texas, US | 1 | 1997 |