Volker Bartels
Inventor
Stats
- 4 US patents issued
- 4 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 4 US Patents Issued
- 4 US Applications Filed
- 42 Total Citation Count
- Mar 2, 1998 Most Recent Filing
- Jun 17, 1992 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| RHEINMETALL GMBH | 1
| 1992
|
| Rheinmetall Industrie GmbH | 1
| 1995
|
| SENNHEISER ELECTRONIC GMBH & CO. KG | 1
1 | 1995
1998 |
Inventor Addresses
| Address | Duration |
|---|---|
| Dusseldorf, DE | Aug 31, 93 - Oct 01, 96 |
| Hannover, DE | Sep 15, 98 - Sep 07, 99 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| F42B: | EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION | 2 |
| H03B: | GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS | 1 |
| H04R: | LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5949897 | 1999 | Sound reproduction device with active noise compensation | 6 |
| 5809156 | 1998 | Sound reproduction device with active noise compensation | 17 |
| 5561262 | 1996 | Spin-stabilized carrier projectile | 0 |
| 5239927 | 1993 | Deceleration device for submunition | 9 |
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level.
>
Upgrade to our Level for up to -1 portfolios!.