Company Filing History:

11 out of 216

Union Special Corporation

where one patent can have more than one assignee

Years Active: 1983-1997

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5653187 - Upper feed mechanism for sewing machine and sewing machine having the (1997-08-05),

2. 4779550 - Looper drive for a chainstitch sewing machine (1988-10-25),

3. 4633795 - Looper thread control with anti-spin cutting knives (1987-01-06),

4. 4594957 - Sewing machine belt feed with variable pitch drive pulley (1986-06-17),

5. 4526119 - Sewing machine having a driven feed roller (1985-07-02),

6. 4498406 - Sewing machine lubrication system (1985-02-12),

7. 4480562 - Sewing machine loop spreading mechanism (1984-11-06),

8. 4475474 - Metering device for sewing machines (1984-10-09),

9. 4419948 - Needle bar lubricant sealing device (1983-12-13),

10. 4417534 - Lubricant sensing device for sewing machines (1983-11-29),

11. 4389951 - Material dispensing means for sewing machines (1983-06-28),

Title: Innovations by Wolf R Von Hagen

Introduction

Wolf R Von Hagen is a notable inventor based in Hemmingen, Germany. He holds a total of 11 patents, showcasing his significant contributions to the field of sewing machine technology. His innovative designs have improved the functionality and efficiency of sewing machines, making them more user-friendly and effective.

Latest Patents

Among his latest patents is an upper feed mechanism for sewing machines. This invention includes a sewing machine head, a needle plate, and three shafts that work in unison to allow a workpiece to be sandwiched between the presser foot and the needle plate. The upper feed dog cooperates with a lower feed dog to clamp and feed the workpiece, ensuring that stitches are formed accurately. Another notable patent is a looper drive for a chainstitch sewing machine. This design features a rigid guide stud and a swivably mounted bushing, which enhances the operation of the looper shaft.

Career Highlights

Throughout his career, Wolf R Von Hagen has worked with prominent companies such as Union Special Corporation and Juki Corporation. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of sewing technology.

Collaborations

Wolf has collaborated with notable coworkers, including Erwin F Jurgens and Johannes K Strauss. Their combined expertise has fostered innovation in the sewing machine industry.

Conclusion

Wolf R Von Hagen's contributions to sewing machine technology through his patents and collaborations have made a lasting impact on the industry. His innovative spirit continues to inspire advancements in sewing technology.

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