Inventor · Stillwater, OK, US

Carl E. Whitcomb

44Patents
10h-index
3Co-inventors
68Inventor score

Filing activity: Oct 17, 1977 → Oct 19, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4510712A Air-root-pruning container Human Necessities 52 Expired
US4939865A Method and container for growing transplantable plants Human Necessities 51 Expired
US4753037A Plant growing method and container Human Necessities 34 Expired
US4716680A Plant growth container and method Human Necessities 31 Expired
US4574522A Root control bag Human Necessities 31 Expired
US4497132A Air-root-pruning container Human Necessities 30 Expired
US4442628A Root-pruning container Human Necessities 25 Expired
US4793097A Plant container handling and protection system Human Necessities 23 Expired
US5557886A Plant growing container for air-pruning roots Human Necessities 20 Expired
US4328025A Micronutrient fertilizer Chemistry; Metallurgy 17 Expired
US4173212A Self-contained solar greenhouse Emerging Cross-Sectional Technologies 8 Expired
US7810275B2 Root growth barrier and method Human Necessities 8 Active
USPP10319P Crape myrtle shrub named `Whit III` General 7 Expired
US4729189A Subirrigation mat Human Necessities 6 Expired
US7774981B2 Plant container and method Human Necessities 6 Active
US8033048B2 Plant container and sidewall providing improved management of irrigation and aeration Human Necessities 6 Active
US7481025B2 Method and container for growing transplantable plants Human Necessities 6 Expired
USPP6365P Crape myrtle General 4 Expired
USPP6383P Crape myrtle General 3 Expired
USPP15091P2 Hibiscus plant named ‘Whit XX’ General 2 Expired
US5036619A Capillary irrigation system Human Necessities 2 Expired
US10798881B2 Air root pruning container for growing a plant Performing Operations; Transporting 2 Active
USPP16616P2 Crapemyrtle plant named ‘WHIT VIII’ General 1 Expired
USPP14975P3 Crape myrtle plant named ‘Whit VII’ General 1 Expired
USPP14438P2 Crape myrtle plant named ‘Whit VI’ General 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.