For the Inventor, By the Inventor

Enter inventor name

Heppenheim, Germany

Hermann Landgraf

USPTO Granted Patents = 16 (Patent Applications = 1)

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 1.9

ph-index = 10

Forward Citations = 241(Granted Patents)

Location History:

Bensheim, DE (1976)
Heppenheim, DE (1980 - 1987)
Lorsch, DE (1989 - 2016)

Company Filing History:

15 out of 30,034

Siemens Aktiengesellschaft

Sirona Dental Systems Gmbh

Years Active: 1976-2016

Loading Chart...

Loading Chart...

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9433475 - Laser handpiece, exchangeable fiber-optic insert and control unit therefor (2016-09-06),

2. 5655907 - Rotatable tool suitable for high speed drive (1997-08-12),

3. 5433604 - Medical instrument having an internally-cooled tool (1995-07-18),

4. 5423231 - Foot control mechanism for a dental apparatus (1995-06-13),

5. D342720 - Foot switch (1993-12-28),

6. 4874314 - Socket to clampingly hold dental tools (1989-10-17),

7. 4681540 - Dental handpiece arrangement (1987-07-21),

8. 4647081 - Ball catch coupling for releasably connecting two parts permitting (1987-03-03),

9. 4482322 - Device for surface treatment of teeth (1984-11-13),

10. 4462803 - Device for cleaning teeth (1984-07-31),

11. 4460337 - Dental handpiece (1984-07-17),

12. 4278907 - D.C. Subfractional horsepower motor with flux shunt for variable RPM (1981-07-14),

13. 4255143 - Device for releasably connecting two parts of a dental handpiece together (1981-03-10),

14. 4237393 - Drive motor for a dental handpiece (1980-12-02),

15. 4198755 - Dental handpiece (1980-04-22),

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com

Loading…