Company Filing History:

10 out of 14,059

3m Innovative Properties Company

patents

1 out of 7,865

Minnesota Mining and Manufacturing Company

patents

Years Active: 1998-2009

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7497217 - Method of making a filter cartridge using a thermoforming step (2009-03-03),

2. 7069931 - Method of making a filtering face mask that has an exhalation valve attached thereto (2006-07-04),

3. 7007695 - Manner of attaching component elements to filtration material such as may be utilized in respiratory masks (2006-03-07),

4. 6959709 - Manner of attaching component elements to filtration material such as may be utilized in respiratory masks (2005-11-01),

5. 6874499 - Filter element that has a thermo-formed housing around filter material (2005-04-05),

6. 6604524 - Manner of attaching component elements to filtration material such as may be utilized in respiratory masks (2003-08-12),

7. 6286144 - Protective garments incorporating bands of welded or adhesively-bonded elastomeric material (2001-09-11),

8. 6148817 - Multi-part headband and respirator mask assembly and process for making (2000-11-21),

9. 6125849 - Respiratory masks having valves and other components attached to the (2000-10-03),

10. 6070579 - Elastomeric composite headband (2000-06-06),

11. 5724677 - Multi-part headband and respirator mask assembly and process for making (1998-03-10),

Title: Elfed I Williams: Innovator in Filter Technology

Introduction

Elfed I Williams is a notable inventor based in Swansea, GB. He has made significant contributions to the field of filter technology, holding a total of 11 patents. His innovative methods have advanced the design and functionality of filter cartridges and face masks.

Latest Patents

Among his latest patents is a method of making a filter cartridge using a thermoforming step. This method involves providing a mass of filter material and a filter cartridge housing with an inlet and outlet. The process includes thermoforming the housing sidewall around the filter material to ensure that fluid is filtered effectively. Another significant patent is for a method of making a filtering face mask with an attached exhalation valve. This method details the construction of a multi-layered mask body and the integration of an exhalation valve to enhance user comfort and functionality.

Career Highlights

Elfed I Williams has worked with prominent companies such as 3M Innovative Properties Company and Minnesota Mining and Manufacturing Company. His experience in these organizations has allowed him to develop and refine his innovative ideas in filter technology.

Collaborations

Throughout his career, Williams has collaborated with notable individuals, including Desmond T Curran and Christopher P Henderson. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Elfed I Williams is a distinguished inventor whose work in filter technology has led to significant advancements in the industry. His innovative patents and collaborations reflect his commitment to improving respiratory protection solutions.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.