Inventor
Michael E. Bitzel
Inventor
Monroe, CT, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning33%
B23BTurning13%
B25DPercussive tools13%
Y10TTechnical subjects covered by former us classification13%
D06FLaundering, drying, ironing, pressing or folding textile articles7%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock7%
H02KDynamo-electric machines7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
6,648,567'Tool-free collet tightener'20036,350,087'Tool-free collet tightener'20025,526,596'Electric iron with storage base and method of storing the iron'19964,947,514'Internal contact for a charging circuit'19904,928,346'Hand-held vacuum cleaner with power brush'19904,920,606'Electrical power circuit for a vacuum cleaner'19904,912,805'Dual-purpose rotating brush for vacuum cleaner'19904,841,594'Cordless vacuum cleaner with power brush'19894,385,276'Mounting of semiconductor sensing means for an electromagnetic tachometer in a portable electric tool'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2003Patents assigned to BLACK & DECKER INC (9)· patent assignee history
1983Based in Stevensville, MD, US· patent location history
1989–1990Based in Monroe, CT, US· patent location history
1996–2003Based in Reisterstown, MD, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLACK & DECKER INC | 9 | 1983–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Monroe, CT, US | 5 | 1989–1990 |
| Reisterstown, Maryland, US | 3 | 1996–2003 |
| Stevensville, Maryland, US | 1 | 1983 |