NL9989C - - Google Patents
Info
- Publication number
- NL9989C NL9989C NL9989DA NL9989C NL 9989 C NL9989 C NL 9989C NL 9989D A NL9989D A NL 9989DA NL 9989 C NL9989 C NL 9989C
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/02—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Screw Conveyors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB36640/20A GB176568A (en) | 1920-12-31 | 1920-12-31 | Improvements in reversible screw propellers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL9989C true NL9989C (en) |
Family
ID=33495813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL9989D NL9989C (en) | 1920-12-31 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1431382A (en) |
| DE (1) | DE367194C (en) |
| GB (1) | GB176568A (en) |
| NL (1) | NL9989C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2573764A (en) * | 1947-06-07 | 1951-11-06 | Carl J Green | Variable pitch propeller |
-
0
- NL NL9989D patent/NL9989C/xx active
-
1920
- 1920-12-31 GB GB36640/20A patent/GB176568A/en not_active Expired
-
1921
- 1921-11-09 DE DE1921D0040647 patent/DE367194C/en not_active Expired
- 1921-11-14 US US515063A patent/US1431382A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE367194C (en) | 1923-01-18 |
| GB176568A (en) | 1922-03-16 |
| US1431382A (en) | 1922-10-10 |