Inventors and Patents From the City of St Paul

Inventors are an important part of the Minnesota economy. Many of these people are based in the Twin Cities, but there are more than a few Inventors in St. Paul. Here are a few of them and their innovations. They may not have come from the Twin Cities, but they do come from other nearby cities. For example, 3M Innovative Properties, of Minneapolis, was awarded a patent for an internally illuminated sign. The sign includes a case that is partially lined with a highly reflective layer, as well as a display surface. Other inventors include Joseph A. Hoffman, of Minneapolis; Ellen O. Aeling, of Oakdale, Minnesota; and Michael A. Meis, of Stillwater, Minnesota.


There are many ways to get involved with Inventors and Patents From the city of St. Paul, Minnesota. You can attend monthly meetings, attend keynote speaker presentations, and connect with other local entrepreneurs and inventors. The network is made up of over three thousand members, and the group also sponsors weekly meetups.

3M Innovative Properties was recently awarded a patent for an internally illuminated sign. This device includes a case partially lined with a highly reflective layer and a display surface. It was developed by three Minnesotans, including a St. Paul resident, Joseph A. Hoffman. The other co-inventors are David M. Flynn, of Lino Lakes, and Lawrence D. Swanson of White Bear Lake.

Some of the early articles about this invention can be found in local newspapers. In 1887, a lumberman named H. G. Dittbenner of Minneapolis, and a whiffletree center in Rochester, Minn., were featured in the Saint Paul Globe. The article was published on Feb. 19, 1887.

A new patent is issued in St. Paul. It is called “Ecolab USA” and is for a drying system that receives data from one or more sensors and monitors the operation of a dryer. The patent was developed by Robert E. May of Lakeville, Minnesota, and Mihnea A. Popa of Inver Grove Heights, Minnesota.

The University of Minnesota is a nationally renowned research university. It is ranked as an R1 Doctoral University with Very High Research Activity and is a member of the Association of American Universities. It has invested over $900 million in research and development, making it one of the nation’s top 10 public research universities. Its mission is to foster innovation and entrepreneurship in the region.

Albert Butz, another Minnesotan, invented a “damper flapper” that allowed truckers to regulate a coal-fired furnace via a thermostat. He went on to create the Butz Thermo-electric Regulator Co., which would later become Honeywell International. Honeywell International is one of the most renowned and successful companies in Minnesota. The company began marketing high-design round thermostats in 1952 and continues to manufacture a variety of products.

Inventors in St. Paul

This book is a celebration of Minnesota’s inventors and inventions. More than a hundred inventions and “firsts” are listed here. The editors of the TCB combed through them and have chosen the 50 most notable in the state.

One example is Joseph Numero, who designed sound equipment for movie theaters. Another was Frederick Jones, who invented a mechanical refrigeration unit that replaced ice blocks used in trucking companies. During World War II, Jones also invented portable cooling units that were used by the military. Thermo King later became an acquisition of Ingersoll Rand.

Inventors in Rochester

Rochester, Minnesota, has a rich history of inventions. The city is home to the world’s first camera, and the Rochester Makerspace has been home to a variety of crafts, including 4D printers and grinding machines for stained glass. A nonprofit organization, the makerspace is open to the community.

The city also boasts of several innovative individuals and companies. There are several top employers in Rochester and a number of patents are filed here. Many people come to Rochester for work and other opportunities. Its entrepreneurial spirit and innovative spirit are inspiring. A variety of local businesses and institutions support Rochester’s inventors.

Rochester is home to many notable figures. It was the birthplace of the calculator. One inventor, James Caleb Jackson, is also a native of the city. The city is home to the world’s largest human flower, the Lilac Festival. It is also the birthplace of Xerox, whose founder was a Rochester resident. The city’s Fire Department responds to approximately 40,000 emergency calls a year.

In 2009, Rochester had the most patents of any city in Minnesota, making it one of the most innovative cities in the country. The city was home to 488 patents in total, and that’s almost one patent for every person. Rochester inventors have far outnumbered their counterparts in both Minneapolis and St. Paul, earning over 400 patents per 100,000 residents.

The city was home to many inventors and “firsts.” The TCB editors went through the hundreds of “firsts” in Minnesota and selected fifty. The list includes the safety guard for railway cars that was reported by D. Swift & Co., Beardsley check rein holder, pendulum escapement, glass mold, and the treatment of iron. Among the other Minnesota firsts, the Rochester, MN whiffletree center and the Montgomery, Minn., car coupling were reported in Mar. 9, 1887.

Inventors in Minneapolis

The Minneapolis area is home to several resources that assist aspiring inventors. One resource is the Inventor’s Network of Minnesota. This group has over 500 members and hosts monthly meetings and networking events. The monthly meetings feature keynote speakers and discussion topics. The group also offers weekly meet-ups. The group’s mission is to empower Minnesotans to become successful entrepreneurs.

The University of Minnesota is known for its high research activity. It is ranked 9th among U.S. public universities, and its faculty includes members of the National Academy of Sciences, Institute of Medicine, and Engineering. Its researchers have received numerous honors and awards, including Nobel Prizes and Guggenheim Fellowships.

Innovators from Minnesota also include companies like 3M Innovative Properties. A recent patent assigned to this company is for an internally illuminated sign that includes a case partially lined with a highly reflective layer and display surface. The Minneapolis-based company was founded by three Minnesotans, Joseph A. Hoffman and Ellen O. Aeling.

Inventors from St. Paul include a handful of people whose innovations were the product of a storied history in the Twin Cities. One such innovator was Frank C. Mars, who in 1920 founded the Mar-O-Bar candy company. Three years later, he introduced the Milky Way candy bar, which featured a chocolate-malt filling. The Milky Way’s success made him move his company to the Midwest candy capital, Chicago. He then developed the M&Ms candy bar, which became a worldwide sensation.

In 1888, H. G. Dittbenner, a lumberman from Minneapolis, patented a corn harvester and a whiffletree center. The Saint Paul Globe reported this on Feb. 26, 1887, in Minneapolis, Minn.

Another Minnesota invention, the Cardiac Pacemakers, was patented. The invention was made by eight co-inventors. The other co-inventors include John E. Hansen of Ham Lake and David M. Flynn of Lino Lakes, Minnesota. In addition to Hansen and Flynn, the patent was awarded to three other Minnesotans.

A nonprofit organization dedicated to assisting independent inventors and entrepreneurs, the United Inventors Association provides useful resources for all kinds of inventors. The organization publishes regular newsletters and announces events. The organization also monitors ethical business practices.

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