Furniture, Games

Citations to U.S. patents by U.S. patents granted in 2020

Top 10   [Cited by Examiner | Cited by Applicant]

Related WIPO fields:[Computer technology | Control | Other consumer goods | Medical technology | Handling | Transport | Mechanical elements All WIPO fields

[Cited by Examiner | Cited by Applicant]
Most Cited by Examiners

  1. 12 4085934    Golf club
  Inventors: Roy Alexander Churchward

  2. 10 6426699    Collapsible storage device for the delivery and pickup of goods
  Inventors: David R. Porter

  2. 10 6443796    Smart blocks
  Inventors: Judith Ann Shackelford

  2. 10 6782585    Upright vacuum cleaner with cyclonic air flow
  Inventors: Wayne Ernest Conrad; Helmut Gerhard Conrad

  2. 10 8834294    Golf club head with center of gravity adjustability
  Inventors: James A. Seluga; Patrick Dawson

  6. 9 5518243    Wood-type golf club head with improved adjustable weight configuration
  Inventors: John Redman

  6. 9 5833551    Iron golf club head
  Inventors: Benoit Vincent; Bret H. Wahl; Steve Nootens

  6. 9 7771291    Golf club head with vertical center of gravity adjustment
  Inventors: Kraig Alan Willett; Todd P. Beach; Christopher John Harbert; Gery M. Zimmerman

  6. 9 9950219    Golf club and golf club head structures
  Inventors: Eric A. Larson; Robert Boyd; Kenneth W. Brown; Sherry L. Jones; John T. Stites

  10. 8 10321780    Parcel security apparatus
  Inventors: Raymond E. James

  10. 8 7166041    Golf clubhead with adjustable weighting
  Inventors: D. Clayton Evans

  10. 8 7611424    Golf club head and golf club
  Inventors: Masao Nagai; David Llewellyn; Tetsuya Kanayama

  10. 8 9597561    Golf club head having face stress-reduction features
  Inventors: James A. Seluga; Matthew Myers; Denver Holt; Evan D. Gibbs; Christopher A. G. Nunez

  10. 8 9937390    Golf club head with flexure
  Inventors: Stephanie Luttrell; Noah de la Cruz; Charles E. Golden; Uday V. Deshmukh

[Cited by Examiner | Cited by Applicant]
Most Cited by Applicants

  1. 49 1133129    NA
  Inventors: Inventors not available

  2. 47 7744484    Movable weights for a golf club head
  Inventors: Bing-Ling Chao

  3. 46 6773360    Golf club head having a removable weight
  Inventors: Kraig Alan Willett; Joseph Henry Hoffman

  4. 43 7166040    Removable weight and kit for golf club head
  Inventors: Joseph Henry Hoffman; Gerry Zimmerman

  5. 42 7186190    Golf club head having movable weights
  Inventors: Todd P. Beach; Bing-Ling Chao; Mark Vincent Greaney; Marc Kronenberg; Thomas Olsavsky; Benoit Vincent; Ian C. Wright; Kraig Alan Willett; Gery M. Zimmerman

  5. 42 7419441    Golf club head weight reinforcement
  Inventors: Joseph Henry Hoffman; Kraig Alan Willett; Todd P. Beach; John Francis Lorentzen; Allan C. Saliba

  7. 40 4754977    Golf club
  Inventors: Douglas A. Sahm

  7. 40 7611424    Golf club head and golf club
  Inventors: Masao Nagai; David Llewellyn; Tetsuya Kanayama

  9. 39 5518243    Wood-type golf club head with improved adjustable weight configuration
  Inventors: John Redman

  9. 39 7223180    Golf club head
  Inventors: Kraig Alan Willett; Joseph Henry Hoffman

 
 
References:
Raw data from: U.S. Patent and Trademark Office. "Data Download Tables." PatentsView. Accessed October 30, 2025. https://patentsview.org/download/data-download-tables.

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Published: February 18, 2026