Inventor
David F. Kreitzer
Inventor
Phoenix, AZ, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E04Fprimary
E04FFinishing work on buildings, e.g. stairs, floors19%
A61FFilters implantable into blood vessels15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
B05CApparatus for applying fluent materials to surfaces, in general8%
A61JContainers specially adapted for medical or pharmaceutical purposes4%
A61KPreparations for medical, dental or toiletry purposes4%
A61MDevices for introducing media into, or onto, the body4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
B25DPercussive tools4%
B25GHandles for hand implements4%
PatentTitleYear
11,022,599Self-regulating alcohol breathalyzer20216,945,138'Recoiling striking device'20056,695,181'Mud gun and hopper assembly'20046,631,714'Tissue dilator devices, methods of fabrication of tissue dilators, and methods of use for tissue dilators'20036,633,796'Medication timing device'20036,454,124'Mud pan'20026,357,436'Nasal dilator'20026,221,369'Human skin care product and method'20016,209,609'Apparatus for dispensing sheet material'20016,196,228'Nasal dilator'20016,155,809'Apparatus for applying viscous mass to a surface corner'20006,145,135'Helical drain plunger'20006,146,039'Mud box for joint compound application'20005,735,272'Nasal tube holder having a nasal dilator attached thereto'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2003Based in Scottsdale, AZ, US· patent location history
2000–2002Patents assigned to EQUITY EARNINGS CORP (3)· patent assignee history
2000Patents assigned to EQUITY EARNINGS CORP DBA DESIG (2)· patent assignee history
2000–2004Based in Phoenix, AZ, US· patent location history
2001–2003Patents assigned to CNS INC (3)· patent assignee history
2005Patents assigned to KREITZER DAVID F (1)· patent assignee history
2005Based in Paradise Valley, AZ, US· patent location history
2021Patents assigned to BREATHALYTICS LLC (1)· patent assignee history
2021Based in Roseville, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CNS INC | 3 | 2001–2003 |
| EQUITY EARNINGS CORP | 3 | 2000–2002 |
| EQUITY EARNINGS CORP DBA DESIG | 2 | 2000 |
| BREATHALYTICS LLC | 1 | 2021 |
| KREITZER DAVID Fself | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Phoenix, AZ, US | 8 | 2000–2004 |
| Scottsdale, AZ, US | 4 | 1998–2003 |
| Roseville, Minnesota, US | 1 | 2021 |
| Paradise Valley, AZ, US | 1 | 2005 |