Inventor
John Lockhart
Inventor
Ridgway, CO, US
Overview
16→
Patents
1992–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves21%
E03CDomestic plumbing installations for fresh water or waste water19%
G05DSystems for controlling or regulating non-electric variables15%
Y02ATechnologies for adaptation to climate change13%
Y10TTechnical subjects covered by former us classification13%
E03BInstallations or methods for obtaining, collecting, or distributing water6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
B05BSpraying apparatus2%
B42FSheets temporarily attached together2%
G07BTicket-issuing apparatus2%
PatentTitleYear
10,808,857Multifunctional restrictive valve202010,753,071Tub faucet having a control valve with reduced backpressure202010,301,800Tub faucet having a control valve with reduced backpressure201910,066,376Tub faucet having a control valve without hammering20189,927,042'Multifunctional restrictive valve'20189,611,629'Multifunctional restrictive valve'20179,309,655'Multifunctional restrictive valve'20168,751,338'System and method of intra-cycle payment of accrued employee wages'2014D0697586'Fill valve'20148,464,962'3-stage temperature control valve'20138,434,693'Multifunctional restrictive valve'20137,878,417'Multifunctional restrictive valve'20117,681,804'Methods and apparatus for an automatic temperature-controlled valve'20107,403,953'Methods and apparatus for a dynamic messaging engine'20086,732,152'Methods and apparatus for generation and distribution of surface mail objects'20045,160,208'Loose leaf binder revision device and method of using same'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Based in Plainfield, IL, US· patent location history
2004–2016Based in Cave Creek, AZ, US· patent location history
2008Based in Scottsdale, AZ, US· patent location history
2010–2016Patents assigned to SHOWERSTART LLC (5)· patent assignee history
2013–2019Patents assigned to LOCKHART JOHN (5)· patent assignee history
2013–2019Patents assigned to DOSS JEFFREY S (3)· patent assignee history
2013–2018Patents assigned to BROWN MICHAEL (2)· patent assignee history
2014–2020Based in Ridgway, CO, US· patent location history
2017–2020Patents assigned to EVOLVE TECH LLC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EVOLVE TECH LLC | 5 | 2017–2020 |
| LOCKHART JOHNself | 5 | 2013–2019 |
| SHOWERSTART LLC | 5 | 2010–2016 |
| DOSS JEFFREY S | 3 | 2013–2019 |
| BROWN MICHAEL | 2 | 2013–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ridgway, CO, US | 7 | 2014–2020 |
| Cave Creek, AZ, US | 7 | 2004–2016 |
| Scottsdale, AZ, US | 1 | 2008 |
| Plainfield, Illinois, US | 1 | 1992 |