Inventor
Norbert Schaefer
Inventor
Frankfurt am Main, DE
Overview
Patents· 52 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Cprimary
A61CDentistry30%
A46BBrushes16%
A45DHairdressing or shaving equipment9%
Y10TTechnical subjects covered by former us classification7%
H02KDynamo-electric machines6%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body5%
A46DManufacture of brushes4%
A61BDiagnosis4%
F16HGearing3%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters2%
PatentTitleYear
10,893,746Personal hygiene device202110,881,193Personal hygiene device202110,840,767Electrically driven device202010,808,810Electrically driven device202010,704,660Electrically driven device202010,675,132Oral hygiene implement202010,660,733Oral care implement202010,624,726Oral care implement202010,622,866Electrically driven device202010,502,291Electrically driven device201910,470,857Personal care device201910,463,461Personal hygiene device with resonant motor201910,433,636Personal hygiene device having treatment-force-measurement unit201910,398,217Personal hygiene device having treatment-force-measurement unit201910,327,876Oral cleaning tool for an oral hygiene device201910,058,408Personal hygiene device with resonant motor20189,724,181'Oral care implement'20179,628,014'Personal hygiene device with resonant motor'20179,603,686'Oral hygiene implement'20179,387,059'Oral cleaning tool for an oral hygiene device'20169,358,088'Oral hygiene implement and oral hygiene device'20169,226,808'Attachment section for an oral hygiene device'20169,186,229'Toothbrush charging station with brush storage device'20159,154,025'Personal care device'20159,003,590'Handle section of a small electric device and small electric device'20158,858,580'Tongue cleaning device'20148,813,292'Electric toothbrush and brush head for an electric toothbrush'20148,631,532'Oral hygiene device'20148,479,750'Mouth cleaning device and head portion of a mouth cleaning device'20138,430,590'Electric toothbrush'20138,393,817'Small electrical appliance'20138,052,627'Spray nozzle and dental cleaning system'20117,690,067'Brush attachment for an electric toothbrush'2010D0611712'Toothbrush refill'20107,392,562'Motor-driven toothbrush and brush head for it'2008D0504569'Set of bristles for a toothbrush'2005D0501084'Portion of a toothbrush'20056,497,458'Bristle for a toothbrush'20026,475,553'Method of manufacturing a textured toothbrush bristle'20026,354,305'Hair styling appliance and hair styling method'20026,327,736'Bristle for a toothbrush'20016,299,443'Device and method for cleaning teeth and gums'20016,245,032'Jet nozzle for an oral irrigator'20016,141,819'Bristle for a toothbrush'20006,139,319'Method and device for the cleansing and care of the teeth and gums'20006,094,769'Bristle for a toothbrush'20005,993,402'Pressure relief valve for an oral irrigator'19995,691,293'Stable, dual-function, phosphate-, metasilicate- and polymer-free low-alkali detergent tablets for dishwashing machines and a process for their production'19975,673,710'Appliance for treating hair'19975,518,645'Process for the production of paste-form detergents'19965,394,862'Heatable appliance for personal use'19955,320,089'Heatable appliance for personal use'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1999Patents assigned to BRAUN AG (4)· patent assignee history
1994–2021Based in Frankfurt am Main, DE· patent location history
1996–1997Based in Duesseldorf, DE· patent location history
2000–2021Patents assigned to BRAUN GMBH (44)· patent assignee history
2013–2019Patents assigned to SCHAEFER NORBERT (11)· patent assignee history
2013–2019Patents assigned to HEIL BENEDIKT (3)· patent assignee history
2014–2019Patents assigned to UTSCH JOERN (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRAUN GMBH | 44 | 2000–2021 |
| SCHAEFER NORBERTself | 11 | 2013–2019 |
| UTSCH JOERN | 5 | 2014–2019 |
| BRAUN AG | 4 | 1994–1999 |
| HEIL BENEDIKT | 3 | 2013–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfurt am Main, DE | 50 | 1994–2021 |
| Duesseldorf, DE | 2 | 1996–1997 |