Inventor
Brian H. Welker
Inventor
Sugar Land, TX, US
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties27%
Y10TTechnical subjects covered by former us classification14%
G01FMeasuring volume, volume flow, mass flow or liquid level7%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like6%
F16KValves5%
B01DSeparation4%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
F16LPipes4%
G02BOptical elements, systems or apparatus4%
F04BPositive-displacement machines for liquids2%
PatentTitleYear
10,410,544Merchandise display stand20198,347,694'LNG collection system and method'20138,210,058'LNG sampling cylinder and method'20128,127,625'Sight glass with liquid separator'20128,113,070'Sight glass with a flow directing assembly'20127,856,997'Removable automatic insertion device with segmented drainage shaft'20107,837,076'Combination backpack and granular material dispenser'20107,681,347'Edge lit sign with illuminated image'20107,201,281'Adjustable modular merchandise pusher system'20077,194,920'Sensor probe and pipeline construction and method'20077,156,123'Pressure reduction system for quick-connects'20076,964,517'Temperature probe and insertion device'20056,827,486'Temperature probe and insertion device'20046,818,045'Liquid separator with integral sight glass'20046,764,536'Sampling device with liquid eliminator'20046,761,757'Instrument probe with valve and separator'20046,422,737'Liquid sample cylinder with integral mixing pump'20026,338,359'Dual automatic insertion device'20026,259,523'Optical inspection insertion apparatus for pressurized vessels'20016,120,035'Mating ring seal members with beveled mitered interface'20006,092,519'Heated sample container case and method'20006,091,489'Optical inspection apparatus for pressurized vessels'20006,085,777'Dual cylinder insertion apparatus'20006,036,119'Elastomeric vaporizing injection nozzle'20005,996,425'Vanishing head sample cylinder'19995,945,611'Dual piston flow-through sampler'19995,907,107'Heated instrument regulator tip'19995,769,375'Positionable holder for sample cylinder'1998RE035824'Fluid sample apparatus featuring integral construction with a motor driven sampling system'19985,756,906'Stabilized insertion device'19985,746,328'Pegboard-mountable adjustable merchandising rack'19985,596,880'Chilled beverage display container'19975,579,803'Chromatograph protection device'19965,578,770'Apparatus and method for gas detection'19965,531,130'Pipeline sampling enclosure'19965,406,855'Solenoid actuated sampler'19955,353,939'Variable pusher point of purchase display'19945,351,839'Vertically adjustable pusher point of purchase display'19945,303,599'Miniaturized sampler'19945,304,327'Mercaptan injection apparatus for use with a pipeline'19945,213,586'Vent check valve'19935,098,847'Method and apparatus for portable testing of products from processing column'19924,928,536'Fluid sample apparatus featuring integral construction with a motor driven sampling system'19904,922,764'Constant pressure sample cylinder with spheroid mixer'19904,882,939'Purge valve'19894,841,785'Vanishing chamber construction for liquid sampler'19894,829,835'Adjustable sand relief valve for sand laden crude oil'19894,628,750'Integrated pump and sample vessel'19864,459,865'Constant pressure cylinder with vortex mixer'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2007Patents assigned to WELKER ENG (32)· patent assignee history
1984–2010Based in Sugar Land, TX, US· patent location history
1989–2013Patents assigned to WELKER BRIAN H (6)· patent assignee history
1989–2000Based in Sugarland, TX, US· patent location history
1994–1998Patents assigned to DECISION POINT MARKETING INC (3)· patent assignee history
1994–1998Based in Winston-Salem, NC, US· patent location history
2007–2010Based in Pfafftown, NC, US· patent location history
2010–2013Patents assigned to WELKER INC (5)· patent assignee history
2010–2013Based in Fulshear, TX, US· patent location history
2012–2013Patents assigned to MCKAY DENNIS M (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WELKER ENG | 32 | 1984–2007 |
| WELKER BRIAN Hself | 6 | 1989–2013 |
| WELKER INC | 5 | 2010–2013 |
| MCKAY DENNIS M | 4 | 2012–2013 |
| DECISION POINT MARKETING INC | 3 | 1994–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sugar Land, Texas, US | 30 | 1984–2010 |
| Sugarland, Texas, US | 6 | 1989–2000 |
| Fulshear, Texas, US | 5 | 2010–2013 |
| Winston-Salem, NC, US | 4 | 1994–1998 |
| Pfafftown, NC, US | 2 | 2007–2010 |