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For the Inventor, By the Inventor

Lengnau, Switzerland

Friedrich Perrot

USPTO Granted Patents = 14

Average Co-Inventor Count = 1.3

ph-index = 6

Forward Citations = 75(Granted Patents)


Company Filing History:

goldMedal8 out of 23 
 
Eta A.g. Ebauches-fabrik
 patents
silverMedal6 out of 262 
 
Eta Sa Fabriques D'ebauches
 patents

Years Active: 1976-2000

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14 patents (USPTO):Explore Patents
1. 6092923 - Timepiece including fixation device for an element added to a frame (2000-07-25),
2. 5699324 - Device for securing a watch dial (1997-12-16),
3. 5430694 - Timepiece (1995-07-04),
4. 5408151 - Electromagnetic motor, in particular of the stepping type, including a (1995-04-18),
5. 5206554 - Electromagnetic micromotor for use in watch movements of small dimensions (1993-04-27),
6. 5010532 - Electronic watch having an opening for receiving a battery and a cover (1991-04-23),
7. 4362396 - Battery holder for electronic wrist watch (1982-12-07),
8. 4213295 - Arrangement for securing a dial to a plate in a timepiece (1980-07-22),
9. 4157008 - Mechanical watch movement (1979-06-05),
10. 4077201 - Extractable barrel-arbor (1978-03-07),
11. 4057885 - Method of producing an oscillating weight for automatic timepieces (1977-11-15),
12. 4026104 - Watch movement frame (1977-05-31),
13. 4023348 - Positioning arrangement on a frame member and on a part having to be (1977-05-17),
14. 3956881 - Hairspring and collet assembly for timepieces (1976-05-18),

Title: Friedrich Perrot: Innovator in Timekeeping Technology

Introduction

Friedrich Perrot, an esteemed inventor originating from Lengnau, Switzerland, has made significant contributions to the field of horology. With an impressive portfolio of 14 patents, Perrot has established himself as a key player in the innovation of timepiece technologies. His work focuses on enhancing the functionality and efficiency of timekeeping devices.

Latest Patents

Among his latest inventions are two notable patents. The first is a "Timepiece including fixation device for an element added to a frame," which introduces a timepiece featuring a body or frame designed to hold an added element in a detachable manner. This invention outlines a novel method of assembling the added element to the body using a fixation mechanism that includes at least one rotating bolt anchored in the material of the body or frame. This unique design ensures robust stability while allowing easy modifications.

The second patent, a "Device for securing a watch dial," features a retaining ring that secures the dial to a dial support. This design employs several securing means that connect the retaining ring to a base element, ensuring a flat, smooth, and durable support for the dial. The invention further enhances the added convenience of easy assembly and disassembly of the unit composed of the dial, support, and securing means.

Career Highlights

Friedrich Perrot's career has been marked by significant achievements within prominent watchmaking companies, including ETA A.G. Ebauches-Fabrik and ETA S.A. Fabriques D'Ebauches. His innovative spirit and technical expertise have driven advancements in the design and functionality of timepieces.

Collaborations

Throughout his career, Perrot has collaborated with talented individuals such as Urs Giger and Marco Bettelini. These partnerships have contributed to the evolution of his inventions, underscoring the importance of teamwork in the field of innovation.

Conclusion

Friedrich Perrot's legacy is defined by his unwavering commitment to revolutionizing timekeeping technology through inventive designs and patents. His remarkable contributions serve as an inspiration for future inventors in the realm of watchmaking and beyond.

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