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Chronology of Innovation: Vol I, Drainage Systems, by R. Dale OlsonCHRONOLOGY OF INNOVATION UNITED STATES PATENTS RELATED TO THE TRUMPET 1848 2014 VOLUME I: DRAINAGE SYSTEMS R. DALE OLSON R. Dale Olson's Chronology of Innovation is a series of writings that describes and critiques every United States patent even granted related to the trumpet and other brass musical instruments. Completed, the work will represent the largest writing of its kind related to technology of brass instruments. The author, R. Dale Olson,
CHRONOLOGY OF INNOVATION
UNITED STATES PATENTS RELATED TO THE TRUMPET
1848 – 2014
VOLUME I: DRAINAGE SYSTEMS
R. DALE OLSON
R. Dale Olson's “Chronology of Innovation” is a series of writings that describes and critiques every United States patent even granted related to the trumpet and other brass musical instruments. Completed, the work will represent the largest writing of its kind related to technology of brass instruments.
The author, R. Dale Olson, has categorized patents according to a system that differs from that of the United States Patent and Trademark Office, so as to be more accessible to musicians.
The first book in this series relates to “Drainage Systems”, or, more prosaically, “water-keys”. Not all fluids accumulated within the interior of brass instruments may be removed using a traditional water-key. Some fluids escape through the valves, leading to a second category of “drainage devices” that are typically located under the valve section, not within the bore.
Prior literature on the subject is restricted to a very few passing mentions concerning this overlooked, but crucial, element within the design of brass instruments. To compensate for this deficit, Olson has created a 158-page book that provides a comprehensive treatment of this aspect of brass instrument design. Provided is an historic underlayment of the issue, a chapter concerning the acoustical concomitants of the water-key, and critiques of each of 51 inventions that have been accorded a United States patent.
Chapters include
- An Overview of Drainage Devices
- A List of All United States Patents Related to Drainage Devices
- Seven Appendices
- A Comprehensive Name Index
- A Complete Bibliography and References
The first United States patent describing a drainage device was an invention by George F. Dallon of Flatbush, New York, on April 21, 1863, and the most recent at the time of publication was by Titus Hutchinson, Sr. of Jacksonville, Florida on December 11, 2014. In the intervening 151 years, drainage devices were invented that included “passive” designs which simply accumulated moisture and “active” inventions requiring the continual operation by the performer. These devices have been located on nearly every part of a trumpet, including one invention that proposed three “discharge valves” or “spheres” positioned on the leadpipe/tuning slide alone!
Only a very few patents address the issue of potential acoustical effects resulting from a water-key, but Olson has explored the subject in detail.
CHRONOLOGY OF INNOVATION: AN OVERVIEW
A SERIES OF WRITINGS BY R. DALE OLSON
“Chronology of Innovation” is a series of writings that describes and critiques every United States patent even granted related to the trumpet and other brass musical instruments. Completed, the work will represent the largest writing of its kind related to technology of brass instruments.
The author, R. Dale Olson, has categorized patents according to a system that differs from that of the United States Patent and Trademark Office, so as to be more accessible to musicians.
Olson has long been recognized as one of the foremost international authorities regarding the design, acoustics, construction, history, and performance of the trumpet. He holds Masters degrees in Trumpet Performance from the University of North Texas, and in Experimental Psychology from California State University, Fullerton. He has lectured at numerous universities, and multiple presentations to the International Trumpet Guild. At the age of 25, Olson became Director of Research for the firm of F.E. Olds and Son, Inc., and has consulted with other makers over a career now covering over seven decades. His professional performing career covered over fifty years. After extensive research and active participation in the field of brass instrument technology, some of Olson’s selected works are now being published. His writings have been referred to as “…paradigms of precision in research and writing”.
The total number of each Volume within the “Chronology of Innovation” series will approximate 10 – 15. Volume I, “Drainage Systems”, was published in 2018, and Volume II, “The Trumpet Mute” is being announced in October, 2020. Volume III, the title and subject of which has not yet been disclosed, is anticipated to be available early in 2021.
Each Volume contains an exceptionally full background of each subject, including the history, design, acoustical implications, and context of the subject patent. The original graphic from the original United Sates patent, with a full description and critique of each invention is provided.
The length of each Volume differs as a function of the subject matter. Volume I, “Drainage Systems” is a 158 page book, whereas Volume II, “The Trumpet Mute” is 441 pages. Subjects that have fewer patents, such as “Cybernetics and Ergonomics”, will obviously be shorter, whereas those with numerous patents, such as “The Trumpet Mouthpiece”, will be much longer.
Musicologists, collectors, organologists, instrument makers, pedagogues, and performers have already begun to acquire this large collection of brass instrument technology.
R. DALE OLSON
Holding and Master’s Degrees in Trumpet Performance (University of North Texas), and Experimental Psychology (California State University, Fullerton), R. Dale Olson brings a new level of expertise to the fields of brass instrument acoustics, design, construction, history, and performance. In 2007, he was named Distinguished Alumnus of the University of North Texas.
Over a period in excess of sixty years, Olson has been co-researcher in brass instrument acoustics and design with Dr. Robert W. Young (then President of the Acoustical Society of America), acoustician William T. Cardwell, Jr., and instrument maker Zigmant J. Kanstul.
He has delivered lectures at numerous Universities and over ten presentations at International Trumpet Guild Conferences.
Although now retired from performance, Olson performed professionally on trumpet for over 60 years in all genres.
Olson was Director of Research for the firm, F.E. Olds and Son, Inc. for nearly a decade, and later consulted on instrument design and testing for firms such as Besson and Kanstul.
His writings are examples of in-depth, deeply researched, precise works that expand the boundaries of the subjects at hand, and are not simplistic restatements of previous authors. Olson’s works typically carry large numbers of references, indices, and appendices to assist in future scholarly investigations.
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★★★★★ 1
Misleading description
Style: Magnetic Mount
Misleading. It does affect the vent. You cannot turn the vent at all and it cannot be closed 100%. About 95% closed. Seems very well built and sturdy however, I wish I knew that you cannot turn the vent… Not sure how I feel about that, I may return it.
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Reviewed in the United States on May 27, 2026
★★★★★ 4
Happy after aggravating install!
Style: Magnetic Mount, Style: Magnetic Mount
Works now that I finally got it to hold. Otherwise would have given it 5 stars. The air vent ‘lip’ on my 2018 Tacoma is so short so not much for this to clamp on to. This was hard to install. Instructions didn’t have anything about putting the parts together and extra cushion pieces. I watched the video and it was like mine once I got it to hold. I tried with one layer then added a layer then removed added layer and then finally got it to hold! Maybe 10 tries! Now that it’s holding it’s perfect! I left it unscrewed just a little tiny bit so can move the phone view around a little. Happy now!
Build quality:
It seems to be pretty strong and will last my truck’s lifetime.
Phone mount:
Like that it is strong magnet holder and not bulky
Ease of installation:
Not easy. Kept not staying attached then finally just got it. I don’t know magic trick but was just about to give up then it caught the small lip and held tight. Ever other attempt kept popping off as I tightened it down.
Value for money:
I think at $39.99 was a little high but hopefully last one I ever buy.
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Reviewed in the United States on July 12, 2025
★★★★★ 5
Solid iPhone Holder
Style: Magnetic Mount
I’ve been searching for a phone holder that doesn’t take up one of the drink holders and actually works well. I had been eyeing a vent mounted holder but was hesitant until I found this one. It had good reviews and was designed to work with my Tacoma. I decided to try it and was pleasantly surprised. It was easy to assemble, fit perfectly, secured nicely, and held my phone in place even in bumpy conditions. The vent location puts it in a good alignment with my vision which is especially helpful when I’m using my navigation app. If you’ve been looking for a decent, reasonably priced, well-built iPhone holder, this is an excellent choice!
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Reviewed in the United States on July 9, 2025
★★★★★ 5
Great Net!!
Size: 59 inches
The cargo net itself works great and keeps everything secure in my truck bed. The sticker tabs didn’t hold up well, so I switched to using the screws provided. The screws do the job perfectly, but installing them just feels wrong lol. Should be drilling holes in a brand new truck.
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Reviewed in the United States on July 24, 2025
★★★★★ 5
Great trunk bed cargo net holds a ton in place
Size: 59 inches, Size: 59 inches
Just what I was looking for. Easy to install and very easy to reposition in your truck bed. Great purchase would recommend holds all my groceries and anything else I put in well constructed strong.
This is great cause your items won’t slide all over the truck bed when you’re driving, it holds a bunch of bags or boxes.
It’s so strong my husband put sandbags inside the compartments and still great. I do highly recommend this net organizer it will also work on the back of an SUV.
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Reviewed in the United States on September 20, 2022