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For the Inventor, By the Inventor

Flint, MI, United States of America

Craig R Schaaf

This inventor holds 12 USPTO granted patents. Top assignee: Other. Active years: 1981-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Craig R Schaaf. Retrieved from https://idiyas.com/inventor/craig-r-schaaf

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 91.7

Average Co-Inventor Count = 1.9

ph-index = 9

Forward Citations = 249(Granted Patents)


Location History:

  • Standish, MI (US) (1981 - 1987)
  • Flint, MI (US) (1994 - 1996)
  • Flushing, MI (US) (2009)

Company Filing History:

goldMedal12 out of 834,707 
Other
 patents

Years Active: 1981-2009

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12 patents (USPTO):Explore Patents
1. 7530122 - Apparatus for waste line cleanout (2009-05-12),
2. 5551198 - Sound collecting block and sound absorbing wall system (1996-09-03),
3. 5513475 - Multi-faceted interfacial building blocks (1996-05-07),
4. 5341618 - Non-rectangular block and wall (1994-08-30),
5. 5285610 - Building blocks and their use (1994-02-15),
6. 4711598 - Beach erosion control device (1987-12-08),
7. 4387491 - Burial enclosure arrangement and method (1983-06-14),
8. 4367978 - Device for preventing beach erosion (1983-01-11),
9. 4367977 - Shore erosion prevention modules (1983-01-11),
10. 4312600 - Traffic barricade (1982-01-26),
11. 4281791 - Traction aid device (1981-08-04),
12. 4274430 - Walking cane apparatus (1981-06-23),

Title: Craig R Schaaf: Innovator in Waste Management and Sound Absorption Technologies

Introduction

Craig R Schaaf is a notable inventor based in Flint, MI (US), recognized for his contributions to waste management and sound absorption technologies. With a total of 12 patents to his name, Schaaf has demonstrated a commitment to innovation and practical solutions in engineering.

Latest Patents

Among his latest inventions is the "Apparatus for Waste Line Cleanout." This system is designed for the controlled release of backed-up wastewater from a restricted waste line, allowing for efficient pressure clearing. The apparatus can be installed in a wye cleanout fitting, ensuring that the seal is positioned near the cleanout plug passageway. This design enables the valve to be opened for controllable drainage of the waste line. Another significant invention is the "Sound Collecting Block and Sound Absorbing Wall System." This invention focuses on novel sound collecting blocks used in conjunction with connector blocks to create inexpensive and decorative sound walls. It also addresses the construction of retaining walls using these innovative blocks.

Career Highlights

Throughout his career, Craig R Schaaf has made significant strides in the fields of waste management and acoustics. His inventions reflect a deep understanding of engineering principles and a dedication to improving everyday life through technology.

Collaborations

Schaaf has collaborated with notable individuals in his field, including Cecil F Schaaf and James E Van Linden. These partnerships have likely contributed to the development and refinement of his innovative ideas.

Conclusion

Craig R Schaaf stands out as an influential inventor whose work in waste management and sound absorption continues to impact various industries. His innovative spirit and practical solutions exemplify the essence of modern engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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