Charles R. Elder has been granted 11 US patents while listed as an inventor at Plug Power . The first was granted in 1997 and the most recent in May 2022. Charles R. Elder ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Charles R. Elder in Hollidaysburg, PA, US.
Patents per Year Patents granted per year, 1997 to 2022 Bar chart with a peak of 2 patents in 2020. peak 2 1997: 1 patents 1997 1999: 1 patents 1999 2003: 1 patents 2003 2004: 1 patents 2004 2006: 1 patents 2006 2014: 1 patents 2014 2017: 1 patents 2017 2019: 1 patents 2019 2020: 2 patents 2020 2022: 1 patents 2022
Issued Patents All Time
Profile Widget
Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11335940 Fuel cell stack Charles M. Carlstrom, Jr. , Michael Anthony Cacioppo , James M. D'Aleo 2022-05-17
$153,490,000
10615445 Fuel cell stack Charles M. Carlstrom, Jr. , Michael Anthony Cacioppo , James M. D'Aleo 2020-04-07
$16,332,000
10547061 Fuel cell stack James M. D'Aleo 2020-01-28
$17,038,000
10381658 Fuel cell stack James M. D'Aleo 2019-08-13
9538743 Multidirectional windsock style decoy — 2017-01-10
8771884 Reactant conditioning scheme for fuel cell systems Michael Anthony Cacioppo , Ranjieve A. Williams 2014-07-08
$29,664,000
7150129 Modular step system for pools Thomas E. Lucas , Peter G. Moran, Sr. , Donald J. Nicoll 2006-12-19
D485914 Pool step Thomas E. Lucas , Peter G. Moran, Sr. 2004-01-27
6510677 Adjustable mowing and trimming apparatus Mathieu Grumberg 2003-01-28
5862655 Adjustable mowing and trimming apparatus Rolando Altamirano , James M. D'Aleo , Mathieu Grumberg , Bruce E. Roberts 1999-01-26
5605009 Protective covering for plants and trees — 1997-02-25