Patents

1920s

1,633,702

Filed: October 8, 1926
Issued: June 28, 1927
1,634,900

Filed: December 31, 1924
Issued: July 5, 1927
4D House*

Filed: April 1, 1928
Issued: January 1, 1928

1930s

2,101,057

Filed: October 18, 1933
Issued: December 7, 1937

1940s

2,220,482

Filed: May 12, 1938
Issued: November 5, 1940
2,343,764

Filed: March 21, 1941
Issued: March 7, 1944
2,351,419

Filed: April 9, 1941
Issued: June 13, 1944
2,393,676

Filed: February 25, 1944
Issued: January 29, 1946

1950s

2,682,235

Filed: December 12, 1951
Issued: June 29, 1954
2,881,717

Filed: January 24, 1955
Issued: April 14, 1959
2,905,113

Filed: April 22, 1957
Issued: September 22, 1959
2,914,074

Filed: March 1, 1957
Issued: November 24, 1959

1960s

2,986,241

Filed: February 7, 1956
Issued: May 30, 1961
3,063,521

Filed: August 31, 1959
Issued: November 13, 1962
3,080,583

Filed: June 8, 1959
Issued: March 12, 1963
3,139,957

Filed: January 24, 1961
Issued: July 7, 1964
Octa Spinner*

Filed: March 17, 1965
Issued: March 17, 1965
3,197,927

Filed: December 19, 1961
Issued: August 3, 1965
3,203,144

Filed: May 27, 1960
Issued: August 31, 1965
3,354,591

Filed: December 7, 1964
Issued: November 28, 1967

1970s

3,524,422

Filed: August 18, 1970
Issued: August 18, 1970
3,863,455

Filed: December 10, 1973
Issued: February 4, 1975
3,866,366

Filed: August 7, 1973
Issued: February 18, 1975
4,136,994

Filed: September 19, 1977
Issued: January 30, 1979

1980s

4,207,715

Filed: September 14, 1978
Issued: June 17, 1980
4,377,114

Filed: October 5, 1981
Issued: March 22, 1983

*Application abandoned by Buckminster Fuller leaving prior art evidence in patent office files.