Overall

Citations to U.S. patents by U.S. patents granted in 2021

Top 10   [Cited by Examiner | Cited by Applicant]

All WIPO fields

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

  1. 53 9516053    Network security threat detection by user/user-entity behavioral analysis
  Inventors: Sudhakar Muddu; Christos Tryfonas

  2. 48 9432298    System, method, and computer program product for improving memory systems
  Inventors: Michael Smith

  3. 37 8316237    System and method for secure three-party communications
  Inventors: David Paul Felsher; Robert H. Nagel; Steven M. Hoffberg

  4. 32 5892900    Systems and methods for secure transaction management and electronic rights protection
  Inventors: Karl Ginter; Victor H. Shear; W. Olin Sibert; Francis J. Spahn; David M. Van Wie

  5. 28 6850252    Intelligent electronic appliance system and method
  Inventors: Steven M. Hoffberg

  5. 28 9911290    Wireless coded communication (WCC) devices for tracking retail interactions with goods and association to user accounts
  Inventors: Gary M. Zalewski; Albert S. Penilla

  7. 27 6327578    Four-party credit/debit payment protocol
  Inventors: Mark H. Linehan

  8. 26 9805601    Vehicular traffic alerts for avoidance of abnormal traffic conditions
  Inventors: Brian Mark Fields; Steven C. Cielocha; Jacob J. Alt; Laura A. Uphoff; Leo Nelson Chan; Mohamed A. Wazeer; Kristopher Keith Gaudin; Justin Davis; Nathan W. Baumann; Giles Roll

  9. 25 5948040    Travel reservation information and planning system
  Inventors: David M. DeLorme; Keith Gray; T. Angus Ferguson

  9. 25 8856869    Enforcement of same origin policy for sensitive data
  Inventors: Jeffrey E. Brinskelle

  9. 25 9348450    Foldable display apparatus
  Inventors: Jun-Hyung Kim

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

  1. 431 6783524    Robotic surgical tool with ultrasound cauterizing and cutting instrument
  Inventors: Stephen Anderson; Christopher Julian

  2. 381 7380695    Surgical stapling instrument having a single lockout mechanism for prevention of firing
  Inventors: Kevin R. Doll; Michael E. Setser; Frederick E. Shelton, IV; Kenneth S. Wales

  3. 361 7404508    Surgical stapling and cutting device
  Inventors: Kevin W. Smith; Matthew A. Palmer; Korey Kline; Derek Dee Deville

  3. 361 8573465    Robotically-controlled surgical end effector system with rotary actuated closure systems
  Inventors: Frederick E. Shelton, IV

  5. 358 5465895    Surgical stapler instrument
  Inventors: Bryan D. Knodel; Richard P. Nuchols; Warren P. Williamson, IV

  6. 357 5403312    Electrosurgical hemostatic device
  Inventors: David C. Yates; Jesse J. Kuhns; Steven H. Mersch; Martin Madden; Richard P. Nuchols

  7. 356 7000818    Surgical stapling instrument having separate distinct closing and firing systems
  Inventors: Frederick E. Shelton, IV; Michael E. Setser; Brian J. Hemmelgarn

  8. 355 7422139    Motor-driven surgical cutting fastening instrument with tactile position feedback
  Inventors: Frederick E. Shelton, IV; John N. Ouwerkerk; Jerome R. Morgan; Jeffrey S. Swayze

  8. 355 7845537    Surgical instrument having recording capabilities
  Inventors: Frederick E. Shelton, IV; John N. Ouwerkerk; Eugene L. Timperman

  10. 354 7380696    Articulating surgical stapling instrument incorporating a two-piece E-beam firing mechanism
  Inventors: Frederick E. Shelton, IV; Kevin R. Doll; Jerry R. Morgan; Michael E. Setser

 
 
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