Book Review: The Art Of The Patent

In bringing suitable illustrations to our articles, we Hackaday scribes use a variety of sources that offer images featuring permissive licences. Among the usual free image libraries there is one particularly rich source, the line drawings contained within the huge archives of patents granted by the various countries around the world. These are the illustrations used as part of the patent itself to describe the working of the patent being claimed. We use them because though the items they depict are legally protected from copying by the patents they are part of, they as part of the patents themselves are in the public domain. Thus we can easily find detailed hand drawn pictures of all kinds of technical innovations from the last couple of hundred years or so, and from time to time you as our readers reap the benefit.

The beauty in hand-rendered fonts from patent artwork, collected within the book.
If you spend a while browsing old patents through a search engine such as Google Patents, you can quickly become engrossed in these beautiful images of inventions past. Though their purpose is a functional one to convey the workings of an invention, the anonymous artists have often poured all of their skill into rendering them as considerably more than mere draughtsmanship. In those dusty Government archives lurk masterpieces, just waiting to be found.

It seems we here at Hackaday are not alone in sharing a fascination with these images, for a US patent agent, [Kevin Prince], wrote a fascinating exploration of the medium in his book, The Art of the Patent.

Toy figure, [Lucas Jr] et al, US Design Patent D265754.He starts by examining patent drawings as an art form rather than as an exercise in technical drawing. The book examines why drawings are needed at all in a patent, by presenting the textual descriptions of a couple of ubiquitous inventions and asking the reader to guess what they might be. The instantly recognisable images are then presented overleaf, and provide a powerful example of the strength of an image as opposed to a piece of text. We are then taken through the same process with a patent that doesn’t cover a famous invention, showing how the image can convey complex machinery impossible to describe in words alone.

Finally we are then introduced to the design patent, protecting the appearance of something rather than its theory of operation. Yet again some famous and instantly recognisable examples are used as illustration. These represent the most heavily protected commercial design properties on the market, and no effort has been spared to present their tiniest detail in their patents.

The next chapter explores the tools of the patent draughtsman’s art form to represent textures, movement, transparency, and colour through stippling and shading. We are shown the standard textures for representing materials and surfaces, and the different techniques such as exploded and sectional views for conveying the operation of complex mechanisms. We begin to see the level to which the rigidly applied rules for patent drawings can be subverted by the talented artists to convey real artistic expression instead of lifeless diagrams.

Musical instrument support, [Edward L. Van Halen], US patent US4656917A.Though the rules governing patent art have changed little over the decades, the artistic style with which they have been applied has evolved in parallel with that of more conventional artworks. These can be as much a catalogue of social history as they are one of design history. A chapter is devoted to this phenomenon, with some striking side-by-side examples. A demurely dressed doll from the last decade of the 19th century is contrasted with an extremely glamorous one from the 1960s, and a guitar part from the same period drawn on a very traditional acoustic instrument is shown alongside an accessory for electric guitars from the 1980s. The assignee on that 1980s patent is one [Edward L. Van Halen], the invention facilitates his famous two-handed playing technique, and the patent art comes complete with his portrait.

Within the patent archive lies a historical record of the defining inventions that have created our modern world. From [Eli Whitney]’s cotton gin of 1794 to an Apple iPod Mini from 2007, the next chapter takes us through a timeline of American history as portrayed through the medium of invention. We are shown [Samuel Morse]’s telegraph, [Elisha Otis]’s elevator, and [Richard Gatling]’s hand-cranked machine gun, the [Edison] phonograph, and in intricate detail, the [Burroughs] mechanical calculating machine. These 19th century inventions form part of the technological bedrock upon which our modern-day society has been built, and the book continues with some iconic images from the 20th century. The Monopoly board is shown complete with money, property cards, and game counters, then the Lego brick, and [Walt Disney]’s animation table. The defining technology of mid-to-late 20th century world events then makes an appearance, with [Enrico Fermi]’s 1955 patent for a nuclear reactor.

Buoyant bulletproof combat uniform, [Nelson J. Waterbury], US Patent US3398406A.Bringing the study of patent art to the present day, the book then examines patents from the new millennium, in fields at the bleeding edge of electronics or biotechnology. Design patents for online interfaces such as the Google search form, biological and medical apparatus, and semiconductor devices make an appearance. We see CAD drawings and photographs replacing the hand-drawn line art of previous decades, but while the style may have changed we are shown how the images themselves often hark back to their predecessors. Complex block diagrams and graphs make an appearance, as well as significant textual annotation which the author notes can sometimes fall foul of the patent office’s rules.

The final chapter of the book is simply a gallery of what must be the author’s favourite patent images, a glorious cross-section of centuries of invention in rich detail. We see industrial machinery, clothing, engines, clocks, and domestic equipment. Not all the inventions shown are familiar, but among them we have the Etch-a-Sketch toy, and [László Bíró]’s ballpoint pen. While the other chapters provide a wealth of fascinating information and background about the patent, it is this chapter for us that encapsulates the engrossing nature of the patent archive more than any other. Images with the same level of detail and interest can be found at every turn in almost all fields, so it must have been a nearly impossible process for the author to whittle down a huge pile of images to those that fit in the space available.

The Art Of The Patent, by [Kevin Prince], started life as a Kickstarter-funded project in 2011, and is now available through your well-known online bookseller. If you have an interest in patents, inventions, or technology history, then we suggest you find a copy for yourself as you are unlikely to be disappointed by it.
Filed under: Featured, Interest


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