Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frederick Rieber — 27 Patents

HEHedstrom: 10 patents #3 of 31Top 10%
KIKidkraft: 5 patents #1 of 5Top 20%
PLPlayskool: 2 patents #2 of 19Top 15%
HAHasbro: 2 patents #157 of 494Top 35%
Hamburg, NY: #3 of 170 inventorsTop 2%
New York: #4,677 of 115,490 inventorsTop 5%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Frederick Rieber has been granted 27 US patents while listed as an inventor at Hedstrom. The first was granted in 1992 and the most recent in December 2022. Frederick Rieber ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Frederick Rieber in Hamburg, NY, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11524218 Adjustable difficulty rock hold David Barr 2022-12-13
11168481 Louver system and method of assembling same 2021-11-09
11135525 Accordion fold play structure with easy-up assembly device David Barr 2021-10-05
11020681 Super fold playhouse David Barr 2021-06-01
10898820 Compact multiple gable house design and assembly 2021-01-26
D821505 Playhouse 2018-06-26
9821246 Play center 2017-11-21
8382602 Enclosed slide 2013-02-26
8046965 Partition system and method of assembling same Ronald McCarthy 2011-11-01
7815513 Enclosed slide 2010-10-19
D529980 Spiral slide 2006-10-10
D522604 Slide 2006-06-06
6966842 Adjustable swing seat 2005-11-22
6782577 Knock-down quarter pipe for skateboarders, bikers and in-line skaters Don R. McCloskey, Frank Bork 2004-08-31
6669394 Swing attachment William H. Ziegler, Jr., Steven P. Hanson 2003-12-30
D477045 Launch ramp Frank Bork, Don R. McCloskey 2003-07-08
6551192 Obstacle assembly for bikes, skateboards and rollerblades Frank Bork 2003-04-22
6547221 Knock-down grind rail for skateboards and rollerblades Frank Bork 2003-04-15
6542613 Electronic sound generator attachment for children's slides 2003-04-01
6502819 Convertible game table Steven P. Hanson 2003-01-07
6482096 Swing ride with bubble generator Steven P. Hanson 2002-11-19
6402662 Trampoline safety pad assembly 2002-06-11
6178978 Children's activity and entertainment enclosure 2001-01-30
5902116 Electronic learning apparatus with self-adjusting level of difficulty Joseph P. Seinowski, Randolph J. Primozic, Jr. 1999-05-11 $31,305,000
5681170 Electronic learning apparatus with self-adjusting level of difficulty Joseph Paul Sejnowski, Randolph J. Primozic, Jr. 1997-10-28 $21,870,000