Inventor
John B. Czirr
Inventor
Mapleton, UT, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Tprimary
G01TMeasurement of nuclear or x-radiation40%
G01VGeophysics30%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
E21BEarth or rock drilling10%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels10%
PatentTitleYear
7,804,072'Heterogeneous capture-gated neutron spectrometer'20105,734,166'Low-energy neutron detector based upon lithium lanthanide borate scintillators'19985,483,062'Photon detector based upon an activated lanthanide beryllate scintillator'19965,313,504'Neutron and photon monitor for subsurface surveying'19945,008,067'Method of downhole neutron monitoring'19914,931,649'Neutron coincidence calorimeter'19904,686,849'Method for determining mine roof competency'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1991Patents assigned to CZIRR JOHN B (2)· patent assignee history
1987–2010Based in Mapleton, UT, US· patent location history
1994Patents assigned to CARROLL J L (1)· patent assignee history
1994Patents assigned to CZIRR SHANNA LEE (1)· patent assignee history
1996Patents assigned to MERRILL CORP (1)· patent assignee history
2010Patents assigned to CZIRR J BART (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CZIRR JOHN Bself | 2 | 1987–1991 |
| CARROLL J L | 1 | 1994 |
| CZIRR J BARTself | 1 | 2010 |
| CZIRR SHANNA LEE | 1 | 1994 |
| MERRILL CORP | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mapleton, UT, US | 7 | 1987–2010 |