Issue link: https://nebusinessmedia.uberflip.com/i/1467797
1922-2021 W o r c e s t e r 3 0 0 : C i t y o f I n n o v a t o r s 53 Neles-Jamesbury Corp: U.S. Patent No. 4881718, issued November 21, 1989. Ball Control Valve. Inventor: Raymond P. Champagne Wyman-Gordon Company: U.S. Patent Number 6240765. Issued June 5, 2001. Forging press with die set with a stationary die and a movable die. Inventors: Hugo E. Delgado, Timothy E. Howson, Jack M. Hyzak, Paul D. Antaya, Thomas F. Doherty, Paul J. Gargolinski, Peter R. Jepson, Martin M. Morra, James E. Shannon, III Norton Company: U.S. Patent No. 6280288. Issued August 28, 2001. Informational tool for advising abrasive- tool customers on the selection of optimum grinding conditions for specific tool use. Inventors: Anthony C. Gaeta, Paul Wei, Gwo Shin Swei, Thomas G. Kinisky. Worcester Polytechnic Institute: U.S. Patent No.10522884 B2. Issued December 31 2019. Method and apparatus for recycling lithium Ion batteries. Inventors: Yan Wang, Eric Gratz, Qina Sa, Zhangfeng Zheng, Joseph Heelan David Clark Co. Incorporated: U.S. Patent No. 10893234. Issued January 12, 2021. A method and system for of dynamic playback variation for multimedia communication. Inventors: Brad Deschenes, Sanjay Gupta, Nicholas Cannata Allegro Microsystems LLC: U.S. Patent Number 11303257. Issued April 12, 2022. Current sensor integrated circuit. Inventors: Steven Daubert, David J. Haas, Craig S. Petrie, Milan Valenta, Roman Prochazka, Richard Stary, Sina Haji Alizad on mammalian sexual physiology research. In 1934 he created the first in vitro rabbit baby in which the ovum was removed from the mother rabbit and placed in a saline-estrone solution mixture before returning it back to the mother rabbit. It attracted negative press and Harvard denied Pincus tenure and re-appointment. But colleague Hudson Hoagland helped him secure a visiting professor of zoology appointment at Clark University's biology department. e pair established the Worcester Foundation for Experimental Biology. Pincus also worked as the lab's janitor to save on expenses and support his wife and two children. Foundation colleague Min Chueh Chang earned his Ph.D. in 1941 at the University of Cambridge. His animal breeding specialty included studies on how sperm in animals is impacted by cooling and various hormonal treatments. Pincus granted him a fellowship to learn the technique of in vitro fertilization. In 1953, they confirmed earlier research showing that repeated injections of progesterone stopped ovulation in animals. In 1953, human trials of Dr. John Rock's infertility patients were conducted in Puerto Rico, using progesterone and then three different progestins in 1954. Pushback ensued that the pill Enovid was effective but had too many side effects. Rock and Pincus prevailed, showing placebos caused similar side effects. Further trials were held in Haiti, Mexico and Los Angeles. In May 1960, the Food & Drug Administration extended Enovid's indications to include contraception. Today, more than 100 million women worldwide and 12 million women in the United States are using oral contraceptives. – Susan M. Gonsalves Worcester inventions The increasing specificity of manufacturing and technological patents in Worcester's third century are apparent in this list. Also, the names/origins of the inventors are now from the global community, compared to those of the previous century. One of several schematic drawings in the patent application for Neles-Jamesbury Ball Control Valve. A one-month supply of contraceptive pills IMAGE | U.S. PATENT OFFICE IMAGE | ADOBE STOCK.COM The technology behind Yan Wang's patent led to the creation of Westborough battery recycling firm Ascend Elements.