Today's Date is
Mar 06, 2026
Precipitation hardening discovered, 1909
Alfred Wilm discovers "precipitation hardening," a phenomenon that is the basis for the creation of strong, lightweight aluminum alloys essential to aeronautics and other technologies in need of such materials. Many other materials are also strengthened by precipitation hardening.
Alfred Wilm discovers "precipitation hardening," a phenomenon that is the basis for the creation of strong, lightweight aluminum alloys essential to aeronautics and other technologies in need of such materials. Many other materials are also strengthened by precipitation hardening.
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Welcome to Hottle & Associates
Ken Haver,
President
President
Welcome to our website, and thank you for allowing us the opportunity to introduce you to our firm.
Hottle & Associates is a full-service, project-oriented engineering, design and drafting firm, located near Akron, Ohio. Our seasoned staff of mechanical engineers, designers and drafters specialize in specialty machine design, industrial design and the design of automated material handling systems. Since 1950, our worldwide project work covers a wide variety of industries, including the Tire & Rubber industry that is so prevalent within our region.
Hottle & Associates is a full-service, project-oriented engineering, design and drafting firm, located near Akron, Ohio. Our seasoned staff of mechanical engineers, designers and drafters specialize in specialty machine design, industrial design and the design of automated material handling systems. Since 1950, our worldwide project work covers a wide variety of industries, including the Tire & Rubber industry that is so prevalent within our region.
We invite you to review our site to learn a bit about us, and we also encourage you to contact us to discuss how we could be of service to you and your business, earn your trust, and become a long-term, valued resource for your engineering, design and drafting needs.